[Build] Remove boilerplate from scripts

No longer necessary after JSHint configuration.

platform/core/test/actions/ActionCapabilitySpec.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,xdescribe,it,expect,beforeEach,waitsFor,
  jasmine*/
 
 /**
@@ -28,7 +27,6 @@
 define(
     ["../../src/actions/ActionCapability"],
     function (ActionCapability) {
-        "use strict";
         //TODO: Disabled for NEM beta
         xdescribe("The action capability", function () {
             var mockQ,