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

chrome/browser/ui/webui/app_list/start_page_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 AppListStartPageWebUITest() {}
 
 /**
  * Mock of audioContext.
  * @constructor
  */
 function mockAudioContext() {
   this.sampleRate = 44100; /* some dummy number */
 }
 
@@ skipping 185 matching lines @@
   Mock4JS.verifyAllMocks();
   Mock4JS.clearMocksToVerify();
 
   this.mockHandler.expects(once()).speechResult('test,true');
   this.mockHandler.expects(once()).setSpeechRecognitionState('READY');
   for (var i = 0; i < this.audioTrackMocks.length; ++i) {
     this.audioTrackMocks[i].expects(once()).stop();
   }
   this.sendSpeechResult('test', true);
 });