[gnome-panel] launcher: don't use deprecated gdk_window_set_background_pattern

[Alberts Muktupāvels <muktupavels src gnome org>]

commit e02419a61fe0e4da7038f2ce66443989d896d801
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Dec 19 02:10:53 2016 +0200

    launcher: don't use deprecated gdk_window_set_background_pattern

 gnome-panel/launcher.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gnome-panel/launcher.c b/gnome-panel/launcher.c
index be57a26..96d03ac 100644
--- a/gnome-panel/launcher.c
+++ b/gnome-panel/launcher.c
@@ -214,7 +214,6 @@ draw_zoom_animation_composited (GdkScreen *gscreen,
 
        /* see doc for gtk_widget_set_app_paintable() */
        gtk_widget_realize (win);
-       gdk_window_set_background_pattern (gtk_widget_get_window (win), NULL);
        gtk_widget_show (win);
 
        zoom->timeout_id = g_timeout_add (ZOOM_DELAY,