You can just use Play and Stop to play your animation clips.
You can also use new Animator component, you’ll have to do little bit more setup work, but you don’t have to build complicated state graphs and blends.
You can for example create an empty state as default state, and then connect your separate animations only back to this empty state. You can simply use Play to trigger these states. See: Unity - Scripting API: Animator.Play
Unless you are thinking about using or extending your animation setup with Animator graph features it is simpler probably just to use Animation component + animation clips.