[gnome-desktop/ebassi/update-for-gtk4] Remove unused GnomeRRScreenPrivate field

[Emmanuele Bassi <ebassi src gnome org>]

commit dcf479d0dbc7650791b56ecaac1bf6691bb93fd7
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Oct 29 16:39:04 2021 +0100

    Remove unused GnomeRRScreenPrivate field
    
    We don't use the root GdkWindow anywhere.

 libgnome-desktop/gnome-rr-private.h | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/libgnome-desktop/gnome-rr-private.h b/libgnome-desktop/gnome-rr-private.h
index 36ad7767..996c7411 100644
--- a/libgnome-desktop/gnome-rr-private.h
+++ b/libgnome-desktop/gnome-rr-private.h
@@ -44,7 +44,6 @@ struct ScreenInfo
 struct GnomeRRScreenPrivate
 {
     GdkScreen *                        gdk_screen;
-    GdkWindow *                        gdk_root;
     ScreenInfo *               info;
 
     int                         init_name_watch_id;