public static UnityEditor.Animations.AnimatorState RemoveStateWith(this UnityEditor.Animations.AnimatorController controller, int nameHash, int layerIndex = 0)
{
UnityEditor.Animations.AnimatorState state = controller.GetStateBy(nameHash, layerIndex);
if (state != null)
{
controller.layers [layerIndex].stateMachine.RemoveState(state);
return(state);
}
return(null);
}