Revert "patchelf_0_13: init at 0.13.1"
This reverts commit 3838a0a7e7ef2a3faebb908cbab58d75b513b51c.
This was previously used on aarch64-unknown-linux-musl, but now that
that platform has an up-to-date bootstrap and can build current
patchelf, there's no longer any need to keep this around.