[gnome-control-center] background: Remove unused include

[Robert Ancell <rancell src gnome org>]

commit 179eac628c4cf0252de761b6187f8f83bbb51810
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Jan 22 11:33:27 2020 +1300

    background: Remove unused include

 panels/background/cc-background-xml.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/panels/background/cc-background-xml.c b/panels/background/cc-background-xml.c
index 9b69e6967..8f5871c03 100644
--- a/panels/background/cc-background-xml.c
+++ b/panels/background/cc-background-xml.c
@@ -22,7 +22,6 @@
 #include <gio/gio.h>
 #include <string.h>
 #include <libxml/parser.h>
-#include <libgnome-desktop/gnome-bg.h>
 #include <gdesktop-enums.h>
 
 #include "gdesktop-enums-types.h"