Remove redundant alert

pub/js/editor.js

 /*
-  @licstart  The following is the entire license notice for the
-  JavaScript code in this page.
+@licstart  The following is the entire license notice for the
+JavaScript code in this page.
 
-  Copyright (C) 2019  Mu Lei known as NalaGinrut <mulei@gnu.org>
+Copyright (C) 2019  Mu Lei known as NalaGinrut <mulei@gnu.org>
 
-  The JavaScript code in this page is free software: you can
-  redistribute it and/or modify it under the terms of the GNU
-  General Public License (GNU GPL) as published by the Free Software
-  Foundation, either version 3 of the License, or (at your option)
-  any later version.  The code is distributed WITHOUT ANY WARRANTY;
-  without even the implied warranty of MERCHANTABILITY or FITNESS
-  FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
+The JavaScript code in this page is free software: you can
+redistribute it and/or modify it under the terms of the GNU
+General Public License (GNU GPL) as published by the Free Software
+Foundation, either version 3 of the License, or (at your option)
+any later version.  The code is distributed WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE.  See the GNU GPL for more details.
 
-  As additional permission under GNU GPL version 3 section 7, you
-  may distribute non-source (e.g., minimized or compacted) forms of
-  that code without the copy of the GNU GPL normally required by
-  section 4, provided you include this license notice and a URL
-  through which recipients can access the Corresponding Source.
+As additional permission under GNU GPL version 3 section 7, you
+may distribute non-source (e.g., minimized or compacted) forms of
+that code without the copy of the GNU GPL normally required by
+section 4, provided you include this license notice and a URL
+through which recipients can access the Corresponding Source.
 
 
-  @licend  The above is the entire license notice
-  for the JavaScript code in this page.
-*/
+@licend  The above is the entire license notice
+for the JavaScript code in this page.
+ */
 var children_nodes;
 var quill;
 var url_name;
@@ -233,7 +233,6 @@ function submit_post() {
         }})
         .then(response => response.text())
         .then(oid => {
-            alert(oid);
             if ("failed" === oid)
             {
                 show_msg_layer("Post new article failed, please check!");