Removed deprecated events.Promise

lib/events.js

@@ -112,10 +112,4 @@ EventEmitter.prototype.listeners = function (type) {
     this._events[type] = [this._events[type]];
   }
   return this._events[type];
-};
-exports.Promise = function removed () {
-  throw new Error(
-    'Promise has been removed. See '+
-    'http://groups.google.com/group/nodejs/msg/0c483b891c56fea2 for more information.');
-};
-process.Promise = exports.Promise;
+};