mac: Don't link clang-format against libz.1.dylib either

clang-format doesn't neeed libz. It's just here because LLVM's
libSupport can provide zlib functions (which clang-format doesn't
call, but other libSupport clients do).

No behavior change, slightly more tidy `otool -L` output.

Bug: none
Change-Id: Id1c0961bfb85ef4e677738f28528c2274e8cdd00
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2788288
Commit-Queue: Nico Weber <thakis@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Auto-Submit: Nico Weber <thakis@chromium.org>
Reviewed-by: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#867185}
GitOrigin-RevId: 95ed3a135cfa2b7e9087749165d6931c36461142
1 file changed