remove unneeded function

Author: fredcw

files/usr/share/cinnamon/applets/notifications@cinnamon.org/applet.js

@@ -67,16 +67,13 @@ class CinnamonNotificationsApplet extends Applet.TextIconApplet {
         this._update_timestamp();
 
         this.notifications.forEach(notification => {
-            global.reparentActor(notification.actor, this._notificationbin);
+            if (notification.actor.get_parent() !== this._notificationbin) 
+                global.reparentActor(notification.actor, this._notificationbin);
         });
 
         this.menu.toggle();
     }
 
-    _onMenuClosed() {
-        this._notificationbin.remove_all_children();
-    }
-
     _display() {
         // Always start the applet empty, void of any notifications.
         this.set_applet_icon_symbolic_name("empty-notif");