Revert "Update index.htm"

This reverts commit d4d8414359.

src/admin/templets/index.htm

@@ -4,6 +4,7 @@
 <meta charset="<?php echo $cfg_soft_lang; ?>">
 <meta name="robots" content="noindex,nofollow">
 <title><?php echo $cfg_webname; ?>后台管理</title>
+<link rel="shortcut icon" href="../static/web/img/favicon.ico">
 <link rel="stylesheet" href="../static/web/font/css/font-awesome.min.css">
 <link rel="stylesheet" href="css/frame.css">
 <script src="../static/web/js/jquery.min.js"></script>