Revert "cmake: Add a `ZIG2_NO_RTLIB` option for building zig2 without compiler-rt."
This reverts commit 3dd6456c0f8d50801d366062bcf5894bb5d9e7ac.
We didn't end up using this after all.
b5cafe223aAlex Rønne Petersen committed on 10/29/2024, 5:48:47 AMparent5ce17ec