[gnome-maps] mainWindow: Remove redundant constant

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 0b49e39ea7163d8e24c335010653d78ae60a6676
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Fri Apr 5 13:39:44 2013 +0300

    mainWindow: Remove redundant constant

 src/mainWindow.js |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index 7188a03..67ccf7f 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -23,7 +23,6 @@ const Gdk = imports.gi.Gdk;
 const GLib = imports.gi.GLib;
 const Gtk = imports.gi.Gtk;
 const Champlain = imports.gi.Champlain;
-const GtkChamplain = imports.gi.GtkChamplain;
 const Geocode = imports.gi.GeocodeGlib;
 
 const Lang = imports.lang;