Revert "[InstCombine] Fix FMF propagation in `foldSelectIntoOp`" (#114458)
Reverts llvm/llvm-project#114356 because it caused test failures.
https://lab.llvm.org/buildbot/#/builders/190/builds/8601
https://luci-milo.appspot.com/ui/p/fuchsia/builders/toolchain.ci/clang-base-linux-x64/b8732549597609293617/overview