[mutter] clutter/stage: Remove unused function clutter_stage_ensure_redraw()

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 9fc428f2e7b18c5446d5e18b42b6df19f4482eda
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Mar 31 09:21:38 2020 +0200

    clutter/stage: Remove unused function clutter_stage_ensure_redraw()
    
    Not used by anything, and redraws are eventually not going to be stage
    global anyway.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1289

 clutter/clutter/clutter-stage.c | 31 -------------------------------
 clutter/clutter/clutter-stage.h |  2 --
 2 files changed, 33 deletions(-)
---
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c
index 4ed5809453..e5bbbc7c98 100644
--- a/clutter/clutter/clutter-stage.c
+++ b/clutter/clutter/clutter-stage.c
@@ -3171,37 +3171,6 @@ _clutter_stage_maybe_setup_viewport (ClutterStage     *stage,
 
 #undef _DEG_TO_RAD
 
-/**
- * clutter_stage_ensure_redraw:
- * @stage: a #ClutterStage
- *
- * Ensures that @stage is redrawn
- *
- * This function should not be called by applications: it is
- * used when embedding a #ClutterStage into a toolkit with
- * another windowing system, like GTK+.
- *
- * Since: 1.0
- */
-void
-clutter_stage_ensure_redraw (ClutterStage *stage)
-{
-  ClutterMasterClock *master_clock;
-  ClutterStagePrivate *priv;
-
-  g_return_if_fail (CLUTTER_IS_STAGE (stage));
-
-  priv = stage->priv;
-
-  if (!_clutter_stage_needs_update (stage))
-    clutter_stage_schedule_update (stage);
-
-  priv->redraw_pending = TRUE;
-
-  master_clock = _clutter_master_clock_get_default ();
-  _clutter_master_clock_start_running (master_clock);
-}
-
 /**
  * clutter_stage_is_redraw_queued: (skip)
  */
diff --git a/clutter/clutter/clutter-stage.h b/clutter/clutter/clutter-stage.h
index 5d0c1b4159..fb96ef4369 100644
--- a/clutter/clutter/clutter-stage.h
+++ b/clutter/clutter/clutter-stage.h
@@ -195,8 +195,6 @@ guchar *        clutter_stage_read_pixels                       (ClutterStage
 
 CLUTTER_EXPORT
 void            clutter_stage_ensure_viewport                   (ClutterStage          *stage);
-CLUTTER_EXPORT
-void            clutter_stage_ensure_redraw                     (ClutterStage          *stage);
 
 CLUTTER_EXPORT
 gboolean        clutter_stage_is_redraw_queued                  (ClutterStage          *stage);