[mutter] clutter: Simplify clutter_state_change

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

commit 7f3fda6df69e5a4de15d37f998bdfe944235b3e4
Author: Adam Jackson <ajax redhat com>
Date:   Wed Feb 20 12:11:46 2019 -0500

    clutter: Simplify clutter_state_change
    
    clutter_state_get_animator now always returns NULL, because
    _set_animator is never called.
    
    https://gitlab.gnome.org/GNOME/mutter/merge_requests/452

 clutter/clutter/deprecated/clutter-state.c | 65 +++++++++++-------------------
 1 file changed, 23 insertions(+), 42 deletions(-)
---
diff --git a/clutter/clutter/deprecated/clutter-state.c b/clutter/clutter/deprecated/clutter-state.c
index ef041f58f..5bb9fb6ca 100644
--- a/clutter/clutter/deprecated/clutter-state.c
+++ b/clutter/clutter/deprecated/clutter-state.c
@@ -649,7 +649,6 @@ clutter_state_change (ClutterState *state,
                       gboolean      animate)
 {
   ClutterStatePrivate *priv;
-  ClutterAnimator     *animator;
   State               *new_state;
   guint                duration;
   GList               *k;
@@ -718,55 +717,37 @@ clutter_state_change (ClutterState *state,
       return NULL;
     }
 
-  animator = clutter_state_get_animator (state,
-                                         priv->source_state_name,
-                                         priv->target_state_name);
-  priv->target_state = new_state;
-
-  if (animator == NULL && new_state->keys == NULL)
-    animator = clutter_state_get_animator (state, NULL,
-                                           priv->target_state_name);
-
-  if (animator != NULL)
-    {
-      /* we've got an animator overriding the tweened animation */
-      priv->current_animator = animator;
-      clutter_animator_set_timeline (animator, priv->timeline);
-    }
-  else
+  for (k = new_state->keys; k != NULL; k = k->next)
     {
-      for (k = new_state->keys; k != NULL; k = k->next)
-        {
-          ClutterStateKey *key = k->data;
-          GValue initial = G_VALUE_INIT;
+      ClutterStateKey *key = k->data;
+      GValue initial = G_VALUE_INIT;
 
-          /* Reset the pre-pre-delay - this is only used for setting keys
-           * during transitions.
-           */
-          key->pre_pre_delay = 0;
+      /* Reset the pre-pre-delay - this is only used for setting keys
+       * during transitions.
+       */
+      key->pre_pre_delay = 0;
 
-          g_value_init (&initial, clutter_interval_get_value_type (key->interval));
+      g_value_init (&initial, clutter_interval_get_value_type (key->interval));
 
-          if (key->is_animatable)
-            {
-              ClutterAnimatable *animatable;
+      if (key->is_animatable)
+        {
+          ClutterAnimatable *animatable;
 
-              animatable = CLUTTER_ANIMATABLE (key->object);
-              clutter_animatable_get_initial_state (animatable,
-                                                    key->property_name,
-                                                    &initial);
-            }
-          else
-            g_object_get_property (key->object, key->property_name, &initial);
+          animatable = CLUTTER_ANIMATABLE (key->object);
+          clutter_animatable_get_initial_state (animatable,
+                                                key->property_name,
+                                                &initial);
+        }
+      else
+        g_object_get_property (key->object, key->property_name, &initial);
 
-          if (clutter_alpha_get_mode (key->alpha) != key->mode)
-            clutter_alpha_set_mode (key->alpha, key->mode);
+      if (clutter_alpha_get_mode (key->alpha) != key->mode)
+        clutter_alpha_set_mode (key->alpha, key->mode);
 
-          clutter_interval_set_initial_value (key->interval, &initial);
-          clutter_interval_set_final_value (key->interval, &key->value);
+      clutter_interval_set_initial_value (key->interval, &initial);
+      clutter_interval_set_final_value (key->interval, &key->value);
 
-          g_value_unset (&initial);
-        }
+      g_value_unset (&initial);
     }
 
   if (!animate)