appDisplay: Remove unnecessary unmapped handler

Since commit 35494f5d08, all menus are closed when their source
gets unmapped.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1948>

diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index a3e60b834f3bdef080f56ae1dd28375f8d89d490..950979647b875e1b8e634e27edd698976ae36c46 100644 (file)
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -3430,16 +3430,6 @@ var AppIconMenu = class AppIconMenu extends PopupMenu.PopupMenu {
 
         this.actor.add_style_class_name('app-well-menu');
 
-        // Chain our visibility and lifecycle to that of the source
-        this._sourceMappedId = source.connect('notify::mapped', () => {
-            if (!source.mapped)
-                this.close();
-        });
-        source.connect('destroy', () => {
-            source.disconnect(this._sourceMappedId);
-            this.destroy();
-        });
-
         Main.uiGroup.add_actor(this.actor);
     }