Avoid creating python 2 release

Sebastian Thiel · Sebastian Thiel · commit acbd5c05c7a7 · 2019-08-11T16:33:30.000+08:00
Thank you! gitpython-developers#898 (comment) [skip CI]
diff --git a/setup.cfg b/setup.cfg
@@ -1,2 +1,2 @@
 [bdist_wheel]
-universal=1
+universal=0
