Remove universal wheel from setup.cfg

Spencer Hill · Spencer Hill · commit 4ba698d3e2ac · 2019-10-02T18:59:16.000-04:00
See pydata/xarray#3367 for explanation.
diff --git a/setup.cfg b/setup.cfg
@@ -1,6 +1,3 @@
-[wheel]
-universal = 1
-
 [metadata]
 description-file = README.rst
 
