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/network.js

@@ -1518,8 +1518,6 @@ const NMApplet = new Lang.Class({
         this._vpnSection.connect('activation-failed', Lang.bind(this, this._onActivationFailed));
         this._vpnSection.connect('icon-changed', Lang.bind(this, this._updateIcon));
         this.menu.addMenuItem(this._vpnSection.section);
-        this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
-        this.menu.addSettingsAction(_("Network Settings"), 'gnome-network-panel.desktop');
 
         this._readConnections();
         this._readDevices();