Remove the USE_MIOPEN build option as MIOpen is always used when built with ROCm. (#22420)
Summary:
Close https://github.com/pytorch/pytorch/issues/22200
Pull Request resolved: https://github.com/pytorch/pytorch/pull/22420
Differential Revision: D16087538
Pulled By: bddppq
fbshipit-source-id: ecf3e7eb8213bb093e1c5290d096c233284a2ff9