jQuery: add overload for 'off' accepting a handler but no selector.

Author: hesselink

jquery/jquery.d.ts

@@ -1108,6 +1108,13 @@ interface JQuery {
      * @param handler A handler function previously attached for the event(s), or the special value false.
      */
     off(events: string, selector?: string, handler?: (eventObject: JQueryEventObject) => any): JQuery;
+    /**
+     * Remove an event handler.
+     *
+     * @param events One or more space-separated event types and optional namespaces, or just namespaces, such as "click", "keydown.myPlugin", or ".myPlugin".
+     * @param handler A handler function previously attached for the event(s), or the special value false.
+     */
+    off(events: string, handler: (eventObject: JQueryEventObject) => any): JQuery;
     /**
      * Remove an event handler.
      *