[mutter] surface-actor-wayland: Remove leftover function declarations

[Marge Bot <marge-bot src gnome org>]

commit 525fc3ca47191d6216b010626c843752a1141ad7
Author: Dor Askayo <dor askayo gmail com>
Date:   Tue Jun 14 01:16:44 2022 +0300

    surface-actor-wayland: Remove leftover function declarations
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2485>

 src/compositor/meta-surface-actor-wayland.h | 6 ------
 1 file changed, 6 deletions(-)
---
diff --git a/src/compositor/meta-surface-actor-wayland.h b/src/compositor/meta-surface-actor-wayland.h
index c8606931eb..adb01a2975 100644
--- a/src/compositor/meta-surface-actor-wayland.h
+++ b/src/compositor/meta-surface-actor-wayland.h
@@ -44,12 +44,6 @@ MetaSurfaceActor * meta_surface_actor_wayland_new (MetaWaylandSurface *surface);
 MetaWaylandSurface * meta_surface_actor_wayland_get_surface (MetaSurfaceActorWayland *self);
 void meta_surface_actor_wayland_surface_destroyed (MetaSurfaceActorWayland *self);
 
-void meta_surface_actor_wayland_get_subsurface_rect (MetaSurfaceActorWayland *self,
-                                                     MetaRectangle           *rect);
-
-void meta_surface_actor_wayland_add_frame_callbacks (MetaSurfaceActorWayland *self,
-                                                     struct wl_list *frame_callbacks);
-
 CoglScanout * meta_surface_actor_wayland_try_acquire_scanout (MetaSurfaceActorWayland *self,
                                                               CoglOnscreen            *onscreen);