[Build] Remove boilerplate from scripts

No longer necessary after JSHint configuration.

platform/features/timeline/test/controllers/TimelineGraphControllerSpec.js

@@ -19,12 +19,10 @@
  * this source code distribution or the Licensing information page available
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
-/*global define,describe,it,expect,beforeEach,waitsFor,jasmine,window,afterEach*/
 
 define(
     ['../../src/controllers/TimelineGraphController'],
     function (TimelineGraphController) {
-        'use strict';
 
         describe("The Timeline graph controller", function () {
             var mockScope,