workspaceThumbnail: Remove unused properties

Those aren't used anymore since the switch to connectObject().

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2222>

diff --git a/js/ui/workspaceThumbnail.js b/js/ui/workspaceThumbnail.js
index 85456fb4743636be58587f5277e33ae12b5a848d..cb8a1918825444093843097618d3d12ec1da8804 100644 (file)
--- a/js/ui/workspaceThumbnail.js
+++ b/js/ui/workspaceThumbnail.js
@@ -674,10 +674,6 @@ var ThumbnailsBox = GObject.registerClass({
         });
         this.connect('destroy', () => this._onDestroy());
 
-        this._nWorkspacesNotifyId = 0;
-        this._activeWorkspaceChangedId = 0;
-        this._syncStackingId = 0;
-
         this._scrollAdjustment = scrollAdjustment;
         this._scrollAdjustment.connectObject('notify::value',
             () => this._updateIndicator(), this);