status: Remove settings actions

These aren't used in the new system status designs.

This is a part of the new system status design, see
https://wiki.gnome.org/GnomeShell/Design/Guidelines/SystemStatus/
for design details.

https://bugzilla.gnome.org/show_bug.cgi?id=704368

js/ui/status/accessibility.js

@@ -68,9 +68,6 @@ const ATIndicator = new Lang.Class({
         let mouseKeys = this._buildItem(_("Mouse Keys"), A11Y_SCHEMA, KEY_MOUSE_KEYS_ENABLED);
         this.menu.addMenuItem(mouseKeys);
 
-        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
-        this.menu.addSettingsAction(_("Universal Access Settings"), 'gnome-universal-access-panel.desktop');
-
         this._syncMenuVisibility();
     },