Remove the path section

This section appears to be left over. It is only necessary in combination with coverage combine,
which we are not using.

setup.cfg

@@ -27,15 +27,3 @@ exclude_lines =
     if 0:
     if __name__ == .__main__.:
     if __name__==.__main__.:
-
-# path mappings for the py3 environments (doesn't seem to work on coveralls yet)
-[coverage:paths]
-source =
-    rdflib/
-    build/src/rdflib/
-tests =
-    test/
-    build/src/test/
-examples =
-    examples/
-    build/src/examples/