[clang] [offload-arch] Do not print "-strict" if it is disabled by the environment (PR #224688)

[A. Cauble via cfe-commits]

accauble wrote:

> I don't think an environment variable should be able to change the target

I don't think so either. My understanding is that this is a temporary solution while software catches up and I will be happy to remove the changes once that happens.

https://github.com/llvm/llvm-project/pull/224688