Revert of Run smooth scroll animations on the compositor when possible

cc/layers/layer.cc

Index: cc/layers/layer.cc
diff --git a/cc/layers/layer.cc b/cc/layers/layer.cc
index 2490e64b9cb5b926eaba8f66635aad9f105dfe9e..a3a79b49cbb27b03ebca999a7bf5fe0dee5fd569 100644
--- a/cc/layers/layer.cc
+++ b/cc/layers/layer.cc
@@ -1875,12 +1875,6 @@
   SetNeedsCommit();
 }
 
-void Layer::AbortAnimation(int animation_id) {
-  DCHECK(layer_animation_controller_);
-  layer_animation_controller_->AbortAnimation(animation_id);
-  SetNeedsCommit();
-}
-
 void Layer::SetLayerAnimationControllerForTest(
     scoped_refptr<LayerAnimationController> controller) {
   DCHECK(layer_animation_controller_);