Clean up unused includes

Some late spring cleaning ...

js/ui/placeDisplay.js

@@ -1,7 +1,5 @@
 /* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
 
-const Clutter = imports.gi.Clutter;
-const Pango = imports.gi.Pango;
 const GConf = imports.gi.GConf;
 const GLib = imports.gi.GLib;
 const Gio = imports.gi.Gio;