Revert adding setup.cfg to MANIFEST files

The `setup.cfg` is automatically added to any source distribution, so
it does not need to be specified explicitly in `MANIFEST.in`.

Author: molinav

packages/basemap/MANIFEST.in

@@ -6,4 +6,3 @@ recursive-include utils *.py
 recursive-exclude **/__pycache__ *
 exclude **/*.pyc
 exclude **/.gitkeep
-include setup.cfg