[gtk+] wayland: Stop using gdk_get_program_class

[Matthias Clasen <matthiasc src gnome org>]

commit 49f3d86c84778f79aa9d30d4b65f5339efd29351
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Nov 16 23:18:03 2017 -0500

    wayland: Stop using gdk_get_program_class
    
    This is an abuse, at best. If we need to pass the
    app id down here, lets pass the app id.

 gdk/wayland/gdkwindow-wayland.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index b07f0f8..9d725bc 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -1472,8 +1472,6 @@ gdk_wayland_window_create_xdg_toplevel (GdkWindow *window)
   impl->initial_fullscreen_output = NULL;
 
   app_id = g_get_prgname ();
-  if (app_id == NULL)
-    app_id = gdk_get_program_class ();
 
   zxdg_toplevel_v6_set_app_id (impl->display_server.xdg_toplevel, app_id);