[gimp/wip/Jehan/fix-CI-2021-07-06] Disable the whole app icon code.

[Jehan <jehanp src gnome org>]

commit 053f9d3bb18c3a8a632e144ce78ae212ff5a512b
Author: Jehan <jehan girinstud io>
Date:   Tue Jul 6 17:52:10 2021 +0200

    Disable the whole app icon code.

 libgimpwidgets/gimpwidgets-private.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/libgimpwidgets/gimpwidgets-private.c b/libgimpwidgets/gimpwidgets-private.c
index eb122c5427..b56043fc4d 100644
--- a/libgimpwidgets/gimpwidgets-private.c
+++ b/libgimpwidgets/gimpwidgets-private.c
@@ -83,6 +83,7 @@ gimp_widgets_init (GimpHelpFunc          standard_help_func,
 
   gimp_icons_init ();
 
+#if 0
   /* Loading the application icons. Unfortunately GTK doesn't know how
    * to load any size from a single SVG, so we have to generate common
    * sizes ourselves.
@@ -152,6 +153,7 @@ gimp_widgets_init (GimpHelpFunc          standard_help_func,
 
   gtk_window_set_default_icon_list (icons);
   /*g_list_free_full (icons, g_object_unref);*/
+#endif
 
   gimp_widgets_init_foreign_enums ();