[clang] [llvm] [openmp] [offload][OpenMP] Remove device code for num_threads strict (PR #157893)

[Joseph Huber via llvm-commits]

https://github.com/jhuber6 commented:

Can we keep the OMPKinds definitions? I figure we'll need those for the CPU side.

https://github.com/llvm/llvm-project/pull/157893