[llvm] Revert "[Utils][SPIR-V] Adding spirv-sim to LLVM" (PR #107084)

[Nathan Gauër via llvm-commits]

Keenuts wrote:

Seems like there is a python version difference between buildkite and buildbots. The ones in buildkite supports type annotations, while buildbots don't.

https://github.com/llvm/llvm-project/pull/107084