Bug 864733 - Removed unused code in modules/video.jsm. r=jimm

browser/metro/modules/video.jsm

@@ -1,9 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-this.EXPORTED_SYMBOLS = ["Video"];
-
-this.Video = {
-  fullScreenSourceElement: null
-};