Remove filtered warnings, addressed upstream.
@@ -5,5 +5,3 @@ doctest_optionflags=ALLOW_UNICODE ELLIPSIS
filterwarnings=
# Suppress deprecation warning in flake8
ignore:SelectableGroups dict interface is deprecated::flake8
- # Suppress deprecation warning in pypa/packaging#433
- ignore:The distutils package is deprecated::packaging.tags
