Bug 1060934 - Remove SettingsQueue.jsm file; r=fabrice a=2.1

dom/settings/SettingsQueue.jsm

@@ -1,30 +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 = ["Queue"];
-
-this.Queue = function Queue() {
-  this._queue = [];
-  this._index = 0;
-}
-
-Queue.prototype = {
-  getLength: function() { return (this._queue.length - this._index); },
-
-  isEmpty: function() { return (this._queue.length == 0); },
-
-  enqueue: function(item) { this._queue.push(item); },
-
-  dequeue: function() {
-    if(this.isEmpty())
-      return undefined;
-
-    var item = this._queue[this._index];
-    if (++this._index * 2 >= this._queue.length){
-      this._queue  = this._queue.slice(this._index);
-      this._index = 0;
-    }
-    return item;
-  }
-}