[clang] Remove FiniteMathOnly and use only NoHonorINFs and NoHonorNANs. (PR #97342)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman approved this pull request.

Changes LGTM, I've added @MaskRay and @jansvoboda11 in case they can help answer the OpenCL questions, as it seems @AnastasiaStulova may be unavailable at the moment.

If we don't hear back from anyone in the next two days, I think it's fine to land.

https://github.com/llvm/llvm-project/pull/97342