remove setup.cfg

We only build pure python on py3 these days.
1 files changed, 0 insertions(+), 5 deletions(-)

R setup.cfg => 
R setup.cfg =>  +0 -5
@@ 1,5 0,0 @@ 
-[metadata]
-description-file = README.md
-
-[bdist_wheel]
-universal = 1