devel/py-hatch-vcs: Clean up Makefile after 1065f238d9528a5d4dc661bf1a0479261aba3374
Reference: https://cgit.freebsd.org/ports/commit/?id=5d4139f8bdb67bd6e8328422f9762661bd0d6454
https://cgit.freebsd.org/ports/commit/?id=1065f238d9528a5d4dc661bf1a0479261aba3374