[Build] Remove boilerplate from scripts

No longer necessary after JSHint configuration.

platform/core/test/objects/DomainObjectProviderSpec.js

@@ -19,7 +19,6 @@
  * this source code distribution or the Licensing information page available
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
-/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine,xit,xdescribe*/
 
 /**
  * DomainObjectProviderSpec. Created by vwoeltje on 11/6/14.
@@ -30,7 +29,6 @@ define(
         "../../src/objects/DomainObjectImpl"
     ],
     function (DomainObjectProvider, DomainObjectImpl) {
-        "use strict";
 
         describe("The domain object provider", function () {
             var mockModelService,