Rollup merge of #83442 - durin42:remove-questionable-macros, r=cuviper
Rollup merge of #83442 - durin42:remove-questionable-macros, r=cuviper

LLVMWrapper: attractive nuisance macros

This came up in the review of #83425: it's hard to imagine a use of
LLVM_VERSION_LE() or LLVM_VERSION_EQ() that's not asking for trouble
when a point release gets created, so let's just discard them to prevent
the issue.

aidancully/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust