Remove ELF specific -ffunction-sections from osx crosstool
Remove ELF specific -ffunction-sections from osx crosstool

Also `-fdata-sections`. These flags do nothing for mach-o binaries. See https://clang.llvm.org/docs/ClangCommandLineReference.html#cmdoption-clang-ffunction-sections

Closes #7986.

PiperOrigin-RevId: 243893274

ulfjack/bazel,werkt/bazel,aehlig/bazel,perezd/bazel,ButterflyNetwork/bazel,dslomov/bazel,werkt/bazel,twitter-forks/bazel,akira-baruah/bazel,bazelbuild/bazel,aehlig/bazel,katre/bazel,ulfjack/bazel,katre/bazel,twitter-forks/bazel,katre/bazel,dslomov/bazel-windows,perezd/bazel,aehlig/bazel,werkt/bazel,meteorcloudy/bazel,ulfjack/bazel,ulfjack/bazel,perezd/bazel,davidzchen/bazel,safarmer/bazel,perezd/bazel,ulfjack/bazel,twitter-forks/bazel,akira-baruah/bazel,ulfjack/bazel,dslomov/bazel,twitter-forks/bazel,davidzchen/bazel,dslomov/bazel,dslomov/bazel,davidzchen/bazel,akira-baruah/bazel,davidzchen/bazel,perezd/bazel,dslomov/bazel,dslomov/bazel-windows,cushon/bazel,katre/bazel,akira-baruah/bazel,bazelbuild/bazel,cushon/bazel,dslomov/bazel,akira-baruah/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,twitter-forks/bazel,aehlig/bazel,davidzchen/bazel,ButterflyNetwork/bazel,katre/bazel,bazelbuild/bazel,twitter-forks/bazel,ButterflyNetwork/bazel,meteorcloudy/bazel,cushon/bazel,aehlig/bazel,dslomov/bazel-windows,bazelbuild/bazel,werkt/bazel,dslomov/bazel-windows,dslomov/bazel,cushon/bazel,safarmer/bazel,dslomov/bazel-windows,perezd/bazel,bazelbuild/bazel,ulfjack/bazel,safarmer/bazel,davidzchen/bazel,safarmer/bazel,werkt/bazel,aehlig/bazel,ButterflyNetwork/bazel,werkt/bazel,dslomov/bazel-windows,cushon/bazel,meteorcloudy/bazel,safarmer/bazel,safarmer/bazel,davidzchen/bazel,cushon/bazel,katre/bazel,meteorcloudy/bazel,meteorcloudy/bazel,bazelbuild/bazel,aehlig/bazel,perezd/bazel,ButterflyNetwork/bazel,akira-baruah/bazel,meteorcloudy/bazel,twitter-forks/bazel