changes in menujs file into iu module

Author: Fabricio Sobral

lib/web/jquery/ui-modules/menu.js

@@ -440,10 +440,7 @@ define([
                 return;
             }
 
-            this.timer = this._delay(function () {
-                this._close();
-                this._open(submenu);
-            }, this.delay);
+            this._open(submenu);
         },
 
         _open: function (submenu) {