[llvm] [NVPTX] Do not run the NVVMReflect pass as part of the normal pipeline (PR #121834)

[Kazu Hirata via llvm-commits]

kazutakahirata wrote:

I just checked in https://github.com/llvm/llvm-project/commit/e7a83fc74db78445c36a27f113e9b045f90f699a to fix a warning from this PR.

https://github.com/llvm/llvm-project/pull/121834