CC Animation: Remove meaningless method from WebLayer.

cc/layers/layer.h

Index: cc/layers/layer.h
diff --git a/cc/layers/layer.h b/cc/layers/layer.h
index 94f827139fe9205e7a3df7468287e7b84224e65b..3b080f00fee33c54ffc0b43bfc30a85e6e80fbd8 100644
--- a/cc/layers/layer.h
+++ b/cc/layers/layer.h
@@ -418,7 +418,6 @@ class CC_EXPORT Layer : public base::RefCounted<Layer>,
   bool AddAnimation(scoped_ptr<Animation> animation);
   void PauseAnimation(int animation_id, double time_offset);
   void RemoveAnimation(int animation_id);
-  void RemoveAnimation(int animation_id, Animation::TargetProperty property);
   void AbortAnimation(int animation_id);
   LayerAnimationController* layer_animation_controller() const {
     return layer_animation_controller_.get();