Remove setup_requires, obviated by build-requires in pyproject.toml.
Remove setup_requires, obviated by build-requires in pyproject.toml.

pytest-dev/pytest-runner,jaraco/jaraco.stream,jaraco/keyring,jaraco/jaraco.itertools,jazzband/inflect,jaraco/calendra,jaraco/jaraco.classes,jaraco/portend,python/importlib_resources,jaraco/backports.functools_lru_cache,jaraco/irc,pypa/setuptools,pwdyson/inflect.py,jaraco/jaraco.context,jaraco/jaraco.collections,jaraco/zipp,jaraco/tempora,jaraco/jaraco.path,jaraco/jaraco.logging,jaraco/hgtools,python/importlib_metadata,pypa/setuptools,pypa/setuptools,jaraco/jaraco.functools,jaraco/jaraco.text