panelMenu: Remove SystemIndicator class

It was used by components in the aggregate menu. That menu no
longer exists, and the class has been superseded by the class of
the same name in quick settings.

Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/3068>

diff --git a/js/ui/panelMenu.js b/js/ui/panelMenu.js
index d4980fde3bf3f1267a27598bb8754cc4c652f5c6..49c557b3a8d2d03943063554d9d3ff6c2e7317f5 100644 (file)
--- a/js/ui/panelMenu.js
+++ b/js/ui/panelMenu.js
@@ -195,41 +195,3 @@ export const Button = GObject.registerClass({
         super._onDestroy();
     }
 });
-
-/* SystemIndicator:
- *
- * This class manages one system indicator, which are the icons
- * that you see at the top right. A system indicator is composed
- * of an icon and a menu section, which will be composed into the
- * aggregate menu.
- */
-export const SystemIndicator = GObject.registerClass(
-class SystemIndicator extends St.BoxLayout {
-    _init() {
-        super._init({
-            style_class: 'panel-status-indicators-box',
-            reactive: true,
-            visible: false,
-        });
-        this.menu = new PopupMenu.PopupMenuSection();
-    }
-
-    get indicators() {
-        let klass = this.constructor.name;
-        let {stack} = new Error();
-        log(`Usage of indicator.indicators is deprecated for ${klass}\n${stack}`);
-        return this;
-    }
-
-    _syncIndicatorsVisible() {
-        this.visible = this.get_children().some(a => a.visible);
-    }
-
-    _addIndicator() {
-        let icon = new St.Icon({style_class: 'system-status-icon'});
-        this.add_child(icon);
-        icon.connect('notify::visible', this._syncIndicatorsVisible.bind(this));
-        this._syncIndicatorsVisible();
-        return icon;
-    }
-});