removed universal flag from wheel

setup.cfg

@@ -1,15 +1,10 @@
-[bdist_wheel]
-# Use this option if your package is pure-python
-universal = 1
-
 # See the docstring in versioneer.py for instructions. Note that you must
 # re-run 'versioneer.py setup' after changing this section, and commit the
 # resulting files.
-
 [versioneer]
 VCS = git
 style = pep440
 versionfile_source = pdpipe/_version.py
 versionfile_build = pdpipe/_version.py
 tag_prefix = v
-parentdir_prefix = pdpipe-
+parentdir_prefix = pdpipe-