clutter: Remove empty private headers

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3157>

clutter/clutter/clutter-deform-effect.c

@@ -57,7 +57,6 @@
 #include "clutter-color.h"
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
-#include "clutter-offscreen-effect-private.h"
 #include "clutter-paint-node.h"
 #include "clutter-paint-nodes.h"
 #include "clutter-private.h"

clutter/clutter/clutter-gesture-action-private.h

@@ -1,28 +0,0 @@
-/*
- * Clutter.
- *
- * An OpenGL based 'interactive canvas' library.
- *
- * Copyright (C) 2012  Collabora Ltd..
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include <clutter/clutter-gesture-action.h>
-
-G_BEGIN_DECLS
-
-G_END_DECLS

clutter/clutter/clutter-gesture-action.c

@@ -83,10 +83,10 @@
 
 #include "clutter-build-config.h"
 
-#include "clutter-gesture-action-private.h"
 
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
+#include "clutter-gesture-action.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 

clutter/clutter/clutter-offscreen-effect-private.h

@@ -1,7 +0,0 @@
-#pragma once
-
-#include <clutter/clutter-offscreen-effect.h>
-
-G_BEGIN_DECLS
-
-G_END_DECLS

clutter/clutter/clutter-pan-action.c

@@ -57,7 +57,6 @@
 
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
-#include "clutter-gesture-action-private.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 #include "clutter-timeline.h"

clutter/clutter/clutter-rotate-action.c

@@ -39,7 +39,6 @@
 
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
-#include "clutter-gesture-action-private.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 

clutter/clutter/clutter-swipe-action.c

@@ -41,7 +41,6 @@
 
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
-#include "clutter-gesture-action-private.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 

clutter/clutter/clutter-tap-action.c

@@ -57,7 +57,6 @@
 
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
-#include "clutter-gesture-action-private.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 

clutter/clutter/clutter-zoom-action.c

@@ -52,7 +52,6 @@
 
 #include "clutter-debug.h"
 #include "clutter-enum-types.h"
-#include "clutter-gesture-action-private.h"
 #include "clutter-marshal.h"
 #include "clutter-private.h"
 #include "clutter-stage-private.h"

clutter/clutter/meson.build

@@ -205,7 +205,6 @@ clutter_private_headers = [
   'clutter-flatten-effect.h',
   'clutter-frame-private.h',
   'clutter-graphene.h',
-  'clutter-gesture-action-private.h',
   'clutter-input-device-private.h',
   'clutter-input-focus-private.h',
   'clutter-input-method-private.h',
@@ -213,7 +212,6 @@ clutter_private_headers = [
   'clutter-input-only-action.h',
   'clutter-input-only-actor.h',
   'clutter-keymap-private.h',
-  'clutter-offscreen-effect-private.h',
   'clutter-paint-context-private.h',
   'clutter-paint-node-private.h',
   'clutter-paint-volume-private.h',