Fix some usages of CUDA_VERSION (#69092)
Summary:
See https://pytorch.slack.com/archives/G4Z791LL8/p1638229956006300
I grepped c10, aten, and torch for CUDA_VERSION and checked the usages I saw.
I can't guarantee I made a clean sweep. but this improves the status quo.
cc ngimel
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69092
Reviewed By: zou3519
Differential Revision: D32786919
Pulled By: ngimel
fbshipit-source-id: 1d29827dca246f33118d81e136252ddb5bf3830f
