options: Remove a bunch of useless:

chrome/browser/resources/options/language_options.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TODO(kochi): Generalize the notification as a component and put it
 // in js/cr/ui/notification.js .
 
 cr.define('options', function() {
   /** @const */ var OptionsPage = options.OptionsPage;
   /** @const */ var LanguageList = options.LanguageList;
@@ skipping 138 matching lines @@
      */
     languageCodeToInputMethodIdsMap_: {},
 
     /**
      * The value that indicates if Translate feature is enabled or not.
      * @type {boolean}
      * @private
      */
     enableTranslate_: false,
 
-    /**
-     * Initializes LanguageOptions page.
-     * Calls base class implementation to start preference initialization.
-     */
+    /** @override */
     initializePage: function() {
       OptionsPage.prototype.initializePage.call(this);
 
       var languageOptionsList = $('language-options-list');
       LanguageList.decorate(languageOptionsList);
 
       languageOptionsList.addEventListener('change',
           this.handleLanguageOptionsListChange_.bind(this));
       languageOptionsList.addEventListener('save',
           this.handleLanguageOptionsListSave_.bind(this));
@@ skipping 1185 matching lines @@
 
   LanguageOptions.onDictionaryDownloadFailure = function(languageCode) {
     LanguageOptions.getInstance().onDictionaryDownloadFailure_(languageCode);
   };
 
   // Export
   return {
     LanguageOptions: LanguageOptions
   };
 });