[Tune] Remove unused autogluon requirement (#16587)
[Tune] Remove unused autogluon requirement (#16587)

`autogluon` does not support Python 3.9. And Ray seems to not import it anywhere.
ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray