[gnome-boxes] util-app: Remove unused get_boxes_bg_color()

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 0b63de09d43d8fdb1a6ebe0eb11112ebd2ed979a
Author: Lasse Schuirmann <lasse schuirmann gmail com>
Date:   Mon Aug 18 11:36:09 2014 +0200

    util-app: Remove unused get_boxes_bg_color()
    
    This function was introduced back in b60fccda and its usage was removed
    in 6155dc10.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=731952

 src/util-app.vala |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/src/util-app.vala b/src/util-app.vala
index e4e41f4..6745c65 100644
--- a/src/util-app.vala
+++ b/src/util-app.vala
@@ -30,15 +30,6 @@ namespace Boxes {
         return builder;
     }
 
-    public Gdk.RGBA get_boxes_bg_color () {
-        var style = new Gtk.StyleContext ();
-        var path = new Gtk.WidgetPath ();
-        path.append_type (typeof (Gtk.Window));
-        style.set_path (path);
-        style.add_class ("boxes-bg");
-        return style.get_background_color (0);
-    }
-
     public Gdk.RGBA get_color (string desc) {
         Gdk.RGBA color =  Gdk.RGBA ();
         color.parse (desc);