tox.ini: setup.py no longer exists

Author: amorison

tox.ini

@@ -48,7 +48,6 @@ ignore = E731,W504,D105,D107,D401,D413
 ; don't check test and setup documentation
 docstring-convention = pep257
 per-file-ignores =
-    setup.py:D
     tests/*:D
 max_complexity = 15