移除sphinx，未来采用其他全文检索方式

src/install/config.cache.inc.php

@@ -144,5 +144,3 @@ $cfg_remote_site = 'N';
 $cfg_title_site = 'N';
 $cfg_mysql_type = 'mysqli';
 $cfg_memcache_enable = 'N';
-$cfg_sphinx_article = 'N';
-?>

src/install/sql-dfdata.txt

@@ -4085,9 +4085,6 @@ INSERT INTO `#@__sysconfig` VALUES('1','cfg_basehost','站点根网址','1','str
 ('750','cfg_remote_site','是否启用远程站点','2','bool','N'),
 ('751','cfg_title_site','是否发布和编辑文档时远程发布(启用远程站点的前提下)','2','bool','N'),
 ('752','cfg_mysql_type','数据库类型（支持mysql和mysqli）','2','string','mysql'),
-('753','cfg_sphinx_article','是否启用文章全文检索功能（需配置sphinx服务器）','7','bool','N'),
-('754','cfg_sphinx_host','Sphinx服务器主机地址','7','string','localhost'),
-('755','cfg_sphinx_port','Sphinx服务器端口号','7','number','9312'),
 ('14', 'cfg_domain_cookie', '跨域共享cookie的域名(例如: .dedecms.com)', 2, 'string', ''),
 ('756','cfg_memcache_enable','是否启用memcache缓存，如果为否(N)，默认使用文件缓存',6,'bool','N'),
 ('757','cfg_memcache_mc_defa','默认memcache缓存服务器地址',6,'string','memcache://127.0.0.1:11211/default127'),

src/install/sql-dftables.txt

@@ -988,13 +988,6 @@ CREATE TABLE `#@__softconfig` (
   PRIMARY KEY  (`downtype`)
 ) TYPE=MyISAM;
 
-DROP TABLE IF EXISTS `#@__sphinx`;
-CREATE TABLE `#@__sphinx` (
-  `countid` int(11) unsigned NOT NULL,
-  `maxaid` int(11) unsigned NOT NULL,
-  PRIMARY KEY  (`countid`)
-) TYPE=MyISAM;
-
 DROP TABLE IF EXISTS `#@__stepselect`;
 CREATE TABLE `#@__stepselect` (
   `id` mediumint(8) unsigned NOT NULL auto_increment,