Revert "Reland "[Transforms] LoopIdiomRecognize recognize strlen and wcslen (#108985)" (#131412)"
This reverts commit ac9049df7e62e2ca4dc5d103593b51639b5715e3.
This change broke Wine (causing it to hang on startup), see
https://github.com/llvm/llvm-project/pull/108985 for discussion.