webui: remove the precendent for silly, invalid end of jsdoc comments, e.g.

chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_browsertest.js

 // Copyright 2013 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.
 
 /**
  * TestFixture for kiosk app settings WebUI testing.
  * @extends {testing.Test}
  * @constructor
- **/
+ */
 function KioskAppSettingsWebUITest() {}
 
 KioskAppSettingsWebUITest.prototype = {
   __proto__: testing.Test.prototype,
 
   /**
    * Browse to the kiosk app settings page.
    */
   browsePreload: 'chrome://extensions-frame/',
 
@@ skipping 207 matching lines @@
   var checkbox = $('kiosk-disable-bailout-shortcut');
 
   this.settings_.hasAutoLaunchApp = false;
   extensions.KioskAppsOverlay.setSettings(this.settings_);
   expectTrue(checkbox.disabled);
 
   this.settings_.hasAutoLaunchApp = true;
   extensions.KioskAppsOverlay.setSettings(this.settings_);
   expectFalse(checkbox.disabled);
 });