[MD settings] remove unneeded use of I18nBehavior

chrome/browser/resources/settings/default_browser_page/default_browser_page.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview
  * 'settings-default-browser-page' is the settings page that contains
  * settings to change the default browser (i.e. which the OS will open).
- *
- * Example:
- *
- *   <iron-animated-pages>
- *     <settings-default-browser-page>
- *     </settings-default-browser-page>
- *     ... other pages ...
- *   </iron-animated-pages>
  */
 Polymer({
   is: 'settings-default-browser-page',
 
   properties: {
     /**
      * The current active route.
      */
     currentRoute: {
       type: Object,
@@ skipping 25 matching lines @@
     },
 
     /**
      * Only show the SetAsDefault button if we have permission to set it.
      */
     showButton_: {
       type: Boolean,
     },
   },
 
-  behaviors: [
-    I18nBehavior,
-  ],
-
   ready: function() {
     var self = this;
     cr.define('Settings', function() {
       return {
         setAsDefaultConcluded: function() {
           return self.setAsDefaultConcluded_.apply(self, arguments);
         },
         updateDefaultBrowserState: function() {
           return self.updateDefaultBrowserState_.apply(self, arguments);
         },
@@ skipping 23 matching lines @@
           canBeDefault ? 'defaultBrowserDefault' : 'defaultBrowserUnknown');
     }
   },
 
   /** @private */
   onSetDefaultBrowserTap_: function() {
     this.startedSetAsDefault_ = true;
     chrome.send('SettingsDefaultBrowser.setAsDefaultBrowser');
   },
 });