[mutter] surface-actor: Remove get_image() function

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

commit 021c1dd7fa24dda2e2abf2818c98620606a7f97c
Author: Robert Mader <robert mader posteo de>
Date:   Sun Aug 22 13:35:19 2021 +0200

    surface-actor: Remove get_image() function
    
    It is unused and removing it allows us some further cleanups.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1978>

 src/compositor/meta-surface-actor.c | 25 -------------------------
 src/compositor/meta-surface-actor.h |  3 ---
 2 files changed, 28 deletions(-)
---
diff --git a/src/compositor/meta-surface-actor.c b/src/compositor/meta-surface-actor.c
index 6d2f4cbd9a..31442b4042 100644
--- a/src/compositor/meta-surface-actor.c
+++ b/src/compositor/meta-surface-actor.c
@@ -373,31 +373,6 @@ meta_surface_actor_init (MetaSurfaceActor *self)
                                   CLUTTER_REQUEST_CONTENT_SIZE);
 }
 
-/**
- * meta_surface_actor_get_image:
- * @self: A #MetaSurfaceActor
- * @clip: (nullable): A clipping rectangle. The clip region is in
- * the same coordinate space as the contents preferred size.
- * For a shaped texture of a wl_surface, this means surface
- * coordinate space. If NULL, the whole content will be used.
- *
- * Get the image from the texture content. The resulting size of
- * the returned image may be different from the preferred size of
- * the shaped texture content.
- *
- * Returns: (nullable) (transfer full): a new cairo surface to be freed
- * with cairo_surface_destroy().
- */
-cairo_surface_t *
-meta_surface_actor_get_image (MetaSurfaceActor      *self,
-                              cairo_rectangle_int_t *clip)
-{
-  MetaSurfaceActorPrivate *priv =
-    meta_surface_actor_get_instance_private (self);
-
-  return meta_shaped_texture_get_image (priv->texture, clip);
-}
-
 MetaShapedTexture *
 meta_surface_actor_get_texture (MetaSurfaceActor *self)
 {
diff --git a/src/compositor/meta-surface-actor.h b/src/compositor/meta-surface-actor.h
index d3f9d7bb48..f69cb15275 100644
--- a/src/compositor/meta-surface-actor.h
+++ b/src/compositor/meta-surface-actor.h
@@ -27,9 +27,6 @@ struct _MetaSurfaceActorClass
   gboolean (* is_opaque)         (MetaSurfaceActor *actor);
 };
 
-cairo_surface_t *meta_surface_actor_get_image (MetaSurfaceActor      *self,
-                                               cairo_rectangle_int_t *clip);
-
 MetaShapedTexture *meta_surface_actor_get_texture (MetaSurfaceActor *self);
 
 void meta_surface_actor_update_area (MetaSurfaceActor *self,