diff --git a/src/static/ckeditor/plugins/autocomplete/plugin.js b/src/static/ckeditor/plugins/autocomplete/plugin.js
deleted file mode 100755
index 7ecb5c7e..00000000
--- a/src/static/ckeditor/plugins/autocomplete/plugin.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){function f(a,b){var c=a.config.autocomplete_commitKeystrokes||CKEDITOR.config.autocomplete_commitKeystrokes;this.editor=a;this.throttle=void 0!==b.throttle?b.throttle:20;this.view=this.getView();this.model=this.getModel(b.dataCallback);this.model.itemsLimit=b.itemsLimit;this.textWatcher=this.getTextWatcher(b.textTestCallback);this.commitKeystrokes=CKEDITOR.tools.array.isArray(c)?c.slice():[c];this._listeners=[];this.outputTemplate=void 0!==b.outputTemplate?new CKEDITOR.template(b.outputTemplate):
-null;b.itemTemplate&&(this.view.itemTemplate=new CKEDITOR.template(b.itemTemplate));if("ready"===this.editor.status)this.attach();else this.editor.on("instanceReady",function(){this.attach()},this);a.on("destroy",function(){this.destroy()},this)}function g(a){this.itemTemplate=new CKEDITOR.template('\x3cli data-id\x3d"{id}"\x3e{name}\x3c/li\x3e');this.editor=a}function h(a){this.dataCallback=a;this.isActive=!1;this.itemsLimit=0}function l(a){return CKEDITOR.tools.array.reduce(CKEDITOR.tools.object.keys(a),
-function(b,c){b[c]=CKEDITOR.tools.htmlEncode(a[c]);return b},{})}CKEDITOR.plugins.add("autocomplete",{requires:"textwatcher",onLoad:function(){CKEDITOR.document.appendStyleSheet(this.path+"skins/default.css")},isSupportedEnvironment:function(){return!CKEDITOR.env.ie||8<CKEDITOR.env.version}});f.prototype={attach:function(){function a(){this._listeners.push(d.on("keydown",function(a){this.onKeyDown(a)},this,null,5))}var b=this.editor,c=CKEDITOR.document.getWindow(),d=b.editable(),k=d.isInline()?d:
-d.getDocument();CKEDITOR.env.iOS&&!d.isInline()&&(k=b.window.getFrame().getParent());this.view.append();this.view.attach();this.textWatcher.attach();this._listeners.push(this.textWatcher.on("matched",this.onTextMatched,this));this._listeners.push(this.textWatcher.on("unmatched",this.onTextUnmatched,this));this._listeners.push(this.model.on("change-data",this.modelChangeListener,this));this._listeners.push(this.model.on("change-selectedItemId",this.onSelectedItemId,this));this._listeners.push(this.view.on("change-selectedItemId",
-this.onSelectedItemId,this));this._listeners.push(this.view.on("click-item",this.onItemClick,this));this._listeners.push(c.on("scroll",function(){this.viewRepositionListener()},this));this._listeners.push(k.on("scroll",function(){this.viewRepositionListener()},this));this._listeners.push(b.on("contentDom",a,this));this._listeners.push(this.view.element.on("mousedown",function(a){a.data.preventDefault()},null,null,9999));d&&a.call(this)},close:function(){this.model.setActive(!1);this.view.close()},
-commit:function(a){if(this.model.isActive){this.close();if(null==a&&(a=this.model.selectedItemId,null==a))return;a=this.model.getItemById(a);var b=this.editor;b.fire("saveSnapshot");b.getSelection().selectRanges([this.model.range]);b.insertHtml(this.getHtmlToInsert(a),"text");b.fire("saveSnapshot")}},destroy:function(){CKEDITOR.tools.array.forEach(this._listeners,function(a){a.removeListener()});this._listeners=[];this.view.element&&this.view.element.remove()},getHtmlToInsert:function(a){a=l(a);return this.outputTemplate?
-this.outputTemplate.output(a):a.name},getModel:function(a){var b=this;return new h(function(c,d){return a.call(this,CKEDITOR.tools.extend({autocomplete:b},c),d)})},getTextWatcher:function(a){return new CKEDITOR.plugins.textWatcher(this.editor,a,this.throttle)},getView:function(){return new g(this.editor)},open:function(){this.model.hasData()&&(this.model.setActive(!0),this.view.open(),this.model.selectFirst(),this.view.updatePosition(this.model.range))},viewRepositionListener:function(){this.model.isActive&&
-this.view.updatePosition(this.model.range)},modelChangeListener:function(a){this.model.hasData()?(this.view.updateItems(a.data),this.open()):this.close()},onItemClick:function(a){this.commit(a.data)},onKeyDown:function(a){if(this.model.isActive){var b=a.data.getKey(),c=!1;27==b?(this.close(),this.textWatcher.unmatch(),c=!0):40==b?(this.model.selectNext(),c=!0):38==b?(this.model.selectPrevious(),c=!0):-1!=CKEDITOR.tools.indexOf(this.commitKeystrokes,b)&&(this.commit(),this.textWatcher.unmatch(),c=
-!0);c&&(a.cancel(),a.data.preventDefault(),this.textWatcher.consumeNext())}},onSelectedItemId:function(a){this.model.setItem(a.data);this.view.selectItem(a.data)},onTextMatched:function(a){this.model.setActive(!1);this.model.setQuery(a.data.text,a.data.range)},onTextUnmatched:function(){this.model.query=null;this.model.lastRequestId=null;this.close()}};g.prototype={append:function(){this.document=CKEDITOR.document;this.element=this.createElement();this.document.getBody().append(this.element)},appendItems:function(a){this.element.setHtml("");
-this.element.append(a)},attach:function(){this.element.on("click",function(a){(a=a.data.getTarget().getAscendant(this.isItemElement,!0))&&this.fire("click-item",a.data("id"))},this);this.element.on("mouseover",function(a){a=a.data.getTarget();this.element.contains(a)&&(a=a.getAscendant(function(a){return a.hasAttribute("data-id")},!0))&&(a=a.data("id"),this.fire("change-selectedItemId",a))},this)},close:function(){this.element.removeClass("cke_autocomplete_opened")},createElement:function(){var a=
-new CKEDITOR.dom.element("ul",this.document);a.addClass("cke_autocomplete_panel");a.setStyle("z-index",this.editor.config.baseFloatZIndex-3);return a},createItem:function(a){a=l(a);return CKEDITOR.dom.element.createFromHtml(this.itemTemplate.output(a),this.document)},getViewPosition:function(a){a=a.getClientRects();a=a[a.length-1];var b;b=this.editor.editable();b=b.isInline()?CKEDITOR.document.getWindow().getScrollPosition():b.getParent().getDocumentPosition(CKEDITOR.document);var c=CKEDITOR.document.getBody();
-"static"===c.getComputedStyle("position")&&(c=c.getParent());c=c.getDocumentPosition();b.x-=c.x;b.y-=c.y;return{top:a.top+b.y,bottom:a.top+a.height+b.y,left:a.left+b.x}},getItemById:function(a){return this.element.findOne('li[data-id\x3d"'+a+'"]')},isItemElement:function(a){return a.type==CKEDITOR.NODE_ELEMENT&&Boolean(a.data("id"))},open:function(){this.element.addClass("cke_autocomplete_opened")},selectItem:function(a){null!=this.selectedItemId&&this.getItemById(this.selectedItemId).removeClass("cke_autocomplete_selected");
-var b=this.getItemById(a);b.addClass("cke_autocomplete_selected");this.selectedItemId=a;this.scrollElementTo(b)},setPosition:function(a){var b=this.editor,c=this.element.getSize("height"),d=b.editable(),b=CKEDITOR.env.iOS&&!d.isInline()?b.window.getFrame().getParent().getClientRect(!0):d.isInline()?d.getClientRect(!0):b.window.getFrame().getClientRect(!0),d=a.top-b.top,k=b.bottom-a.bottom,e;e=a.top<b.top?b.top:Math.min(b.bottom,a.bottom);c>k&&c<d&&(e=a.top-c);b.bottom<a.bottom&&(e=Math.min(a.top-
-c,b.bottom-c));b.top>a.top&&(e=Math.max(a.bottom,b.top));this.element.setStyles({left:a.left+"px",top:e+"px"})},scrollElementTo:function(a){a.scrollIntoParent(this.element)},updateItems:function(a){var b,c=new CKEDITOR.dom.documentFragment(this.document);for(b=0;b<a.length;++b)c.append(this.createItem(a[b]));this.appendItems(c);this.selectedItemId=null},updatePosition:function(a){this.setPosition(this.getViewPosition(a))}};CKEDITOR.event.implementOn(g.prototype);h.prototype={getIndexById:function(a){if(!this.hasData())return-1;
-for(var b=this.data,c=0,d=b.length;c<d;c++)if(b[c].id==a)return c;return-1},getItemById:function(a){a=this.getIndexById(a);return~a&&this.data[a]||null},hasData:function(){return Boolean(this.data&&this.data.length)},setItem:function(a){if(0>this.getIndexById(a))throw Error("Item with given id does not exist");this.selectedItemId=a},select:function(a){this.fire("change-selectedItemId",a)},selectFirst:function(){this.hasData()&&this.select(this.data[0].id)},selectLast:function(){this.hasData()&&this.select(this.data[this.data.length-
-1].id)},selectNext:function(){if(null==this.selectedItemId)this.selectFirst();else{var a=this.getIndexById(this.selectedItemId);0>a||a+1==this.data.length?this.selectFirst():this.select(this.data[a+1].id)}},selectPrevious:function(){if(null==this.selectedItemId)this.selectLast();else{var a=this.getIndexById(this.selectedItemId);0>=a?this.selectLast():this.select(this.data[a-1].id)}},setActive:function(a){this.isActive=a;this.fire("change-isActive",a)},setQuery:function(a,b){var c=this,d=CKEDITOR.tools.getNextId();
-this.lastRequestId=d;this.query=a;this.range=b;this.selectedItemId=this.data=null;this.dataCallback({query:a,range:b},function(a){d==c.lastRequestId&&(c.data=c.itemsLimit?a.slice(0,c.itemsLimit):a,c.fire("change-data",c.data))})}};CKEDITOR.event.implementOn(h.prototype);CKEDITOR.plugins.autocomplete=f;f.view=g;f.model=h;CKEDITOR.config.autocomplete_commitKeystrokes=[9,13]})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/autocomplete/skins/default.css b/src/static/ckeditor/plugins/autocomplete/skins/default.css
deleted file mode 100755
index f6d18a22..00000000
--- a/src/static/ckeditor/plugins/autocomplete/skins/default.css
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
-Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
-For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-
-.cke_autocomplete_panel
-{
-	position: absolute;
-	display: none;
-	box-sizing: border-box;
-	width: 200px;
-	max-height: 300px;
-	overflow: auto;
-	padding: 0;
-	margin: 0;
-	list-style: none;
-	background: #FFF;
-	border: 1px solid #b6b6b6;
-	border-bottom-color: #999;
-	border-radius: 3px;
-	font: 12px Arial, Helvetica, Tahoma, Verdana, Sans-Serif;
-}
-.cke_autocomplete_opened
-{
-	display: block;
-}
-.cke_autocomplete_panel > li
-{
-	padding: 5px;
-}
-.cke_autocomplete_panel > li:hover
-{
-	cursor: pointer;
-}
-.cke_autocomplete_selected, .cke_autocomplete_panel > li:hover
-{
-	background-color: #EFF0EF;
-}
diff --git a/src/static/ckeditor/plugins/autogrow/plugin.js b/src/static/ckeditor/plugins/autogrow/plugin.js
deleted file mode 100755
index e3731c1d..00000000
--- a/src/static/ckeditor/plugins/autogrow/plugin.js
+++ /dev/null
@@ -1,8 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){function h(a){function m(){e=a.document;n=e[CKEDITOR.env.ie?"getBody":"getDocumentElement"]();c=CKEDITOR.env.quirks?e.getBody():e.getDocumentElement();var d=CKEDITOR.env.quirks?c:c.findOne("body");d&&(d.setStyle("height","auto"),d.setStyle("min-height",CKEDITOR.env.safari?"0%":"auto"));f=CKEDITOR.dom.element.createFromHtml('\x3cspan style\x3d"margin:0;padding:0;border:0;clear:both;width:1px;height:1px;display:block;"\x3e'+(CKEDITOR.env.webkit?"\x26nbsp;":"")+"\x3c/span\x3e",e)}function g(){k&&
-c.setStyle("overflow-y","hidden");var d=a.window.getViewPaneSize().height,b;n.append(f);b=f.getDocumentPosition(e).y+f.$.offsetHeight;f.remove();b+=h;b=Math.max(b,r);b=Math.min(b,p);b!=d&&l!=b&&(b=a.fire("autoGrow",{currentHeight:d,newHeight:b}).newHeight,a.resize(a.container.getStyle("width"),b,!0),l=b);k||(b<p&&c.$.scrollHeight>c.$.clientHeight?c.setStyle("overflow-y","hidden"):c.removeStyle("overflow-y"))}var l,e,n,c,f,h=a.config.autoGrow_bottomSpace||0,r=void 0!==a.config.autoGrow_minHeight?a.config.autoGrow_minHeight:
-200,p=a.config.autoGrow_maxHeight||Infinity,k=!a.config.autoGrow_maxHeight;a.addCommand("autogrow",{exec:g,modes:{wysiwyg:1},readOnly:1,canUndo:!1,editorFocus:!1});var t={contentDom:1,key:1,selectionChange:1,insertElement:1,mode:1},q;for(q in t)a.on(q,function(d){"wysiwyg"==d.editor.mode&&setTimeout(function(){var b=a.getCommand("maximize");!a.window||b&&b.state==CKEDITOR.TRISTATE_ON?l=null:(g(),k||g())},100)});a.on("afterCommandExec",function(a){"maximize"==a.data.name&&"wysiwyg"==a.editor.mode&&
-(a.data.command.state==CKEDITOR.TRISTATE_ON?c.removeStyle("overflow-y"):g())});a.on("contentDom",m);m();a.config.autoGrow_onStartup&&a.editable().isVisible()&&a.execCommand("autogrow")}CKEDITOR.plugins.add("autogrow",{init:function(a){if(a.elementMode!=CKEDITOR.ELEMENT_MODE_INLINE)a.on("instanceReady",function(){a.editable().isInline()?a.ui.space("contents").setStyle("height","auto"):h(a)})}})})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/autolink/plugin.js b/src/static/ckeditor/plugins/autolink/plugin.js
deleted file mode 100755
index 627d8c3f..00000000
--- a/src/static/ckeditor/plugins/autolink/plugin.js
+++ /dev/null
@@ -1,8 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){var f=/"/g;CKEDITOR.plugins.add("autolink",{requires:"clipboard,textmatch",init:function(c){function e(a){a={text:a,link:a.replace(f,"%22")};a=a.link.match(CKEDITOR.config.autolink_urlRegex)?g.output(a):h.output(a);if(c.plugins.link){a=CKEDITOR.dom.element.createFromHtml(a);var b=CKEDITOR.plugins.link.parseLinkAttributes(c,a),b=CKEDITOR.plugins.link.getLinkAttributes(c,b);CKEDITOR.tools.isEmpty(b.set)||a.setAttributes(b.set);b.removed.length&&a.removeAttributes(b.removed);a.removeAttribute("data-cke-saved-href");
-a=a.getOuterHtml()}return a}function k(a,b){var c=a.slice(0,b).split(/\s+/);return(c=c[c.length-1])&&d(c)?{start:a.lastIndexOf(c),end:b}:null}function d(a){return a.match(CKEDITOR.config.autolink_urlRegex)||a.match(CKEDITOR.config.autolink_emailRegex)}var g=new CKEDITOR.template('\x3ca href\x3d"{link}"\x3e{text}\x3c/a\x3e'),h=new CKEDITOR.template('\x3ca href\x3d"mailto:{link}"\x3e{text}\x3c/a\x3e');c.on("paste",function(a){if(a.data.dataTransfer.getTransferType(c)!=CKEDITOR.DATA_TRANSFER_INTERNAL){var b=
-a.data.dataValue;-1<b.indexOf("\x3c")||!d(b)||(a.data.dataValue=e(b),a.data.type="html")}});if(!CKEDITOR.env.ie||CKEDITOR.env.edge){var l=c.config.autolink_commitKeystrokes||CKEDITOR.config.autolink_commitKeystrokes;c.on("key",function(a){if("wysiwyg"===c.mode&&-1!=CKEDITOR.tools.indexOf(l,a.data.keyCode)){var b=CKEDITOR.plugins.textMatch.match(c.getSelection().getRanges()[0],k);if(b&&(a=c.getSelection(),!a.getRanges()[0].startContainer.getAscendant("a",!0)&&(a.selectRanges([b.range]),c.insertHtml(e(b.text),
-"text"),!CKEDITOR.env.webkit))){var b=a.getRanges()[0],d=c.createRange();d.setStartAfter(b.startContainer);a.selectRanges([d])}}})}}});CKEDITOR.config.autolink_commitKeystrokes=[13,32];CKEDITOR.config.autolink_urlRegex=/^(https?|ftp):\/\/(-\.)?([^\s\/?\.#]+\.?)+(\/[^\s]*)?[^\s\.,]$/i;CKEDITOR.config.autolink_emailRegex=/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/})();
\ No newline at end of file