[gnome-shell] background: Remove unused argument

[Jasper St. Pierre <jstpierre src gnome org>]

commit d3905734c16bfe5814dfdd7c08baa2fcfebfba90
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Jan 13 18:21:03 2014 -0500

    background: Remove unused argument

 js/ui/background.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/background.js b/js/ui/background.js
index 8d0b5f1..f4d486c 100644
--- a/js/ui/background.js
+++ b/js/ui/background.js
@@ -565,7 +565,7 @@ const Background = new Lang.Class({
     _load: function () {
         this._cache = getBackgroundCache();
 
-        this._loadPattern(this._cache);
+        this._loadPattern();
 
         this._style = this._settings.get_enum(BACKGROUND_STYLE_KEY);
         if (this._style == GDesktopEnums.BackgroundStyle.NONE) {