[mutter] wayland/surface: Remove unnecessary resource user data changing

[Robert Mader <rmader src gnome org>]

commit 06c215c747c4e01fa410a5ffe0a028a32d6a1308
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Aug 5 16:07:19 2021 +0200

    wayland/surface: Remove unnecessary resource user data changing
    
    We're in the destructor, it's pointless to unset the userdata as we'll
    never ever see a request being invoked with it ever again, since the
    resource itself will be destroyed or marked as destroyed.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2202>

 src/wayland/meta-wayland-surface.c | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 344993e642..426603e648 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -1476,9 +1476,6 @@ wl_surface_destructor (struct wl_resource *resource)
 
   meta_wayland_surface_discard_presentation_feedback (surface);
 
-  if (surface->resource)
-    wl_resource_set_user_data (surface->resource, NULL);
-
   if (surface->wl_subsurface)
     wl_resource_destroy (surface->wl_subsurface);