[llvm] Revert "LangRef: Clarify llvm.minnum and llvm.maxnum about sNaN and signed zero (#112852)" (PR #168838)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

> FWIW I have no approval rights in LLVM, so my review doesn't really count for much I think. :)

No worries. IIUC, everyone's review counts according to LLVM's policy. The vote not shown in green is the limitation of Github rather than limitation of llorg :)

https://github.com/llvm/llvm-project/pull/168838