[libc-commits] [libc] [llvm] [libc] delete hdrgen (PR #117220)

[Nick Desaulniers via libc-commits]

nickdesaulniers wrote:

> ugh, I forget where the presubmit testing stuff is located...

https://github.com/llvm/llvm-project/blob/main/.github/workflows/docs.yml#L159-L165

https://github.com/llvm/llvm-project/pull/117220