Back out "[pytorch][PR] Move thnvrtc and DynamicLibrary to ATen" (#22749)
Summary:
Original commit changeset: add2ee8a8865
Pull Request resolved: https://github.com/pytorch/pytorch/pull/22749
ghstack-source-id: 86323899
Differential Revision: D16203552
fbshipit-source-id: 227df3b85316315c15d2cb7b6a5c884096a82e9e
