remove python3 wheel building from release

Author: danielenricocahall

release.sh

@@ -3,8 +3,7 @@
 # remove old wheels
 sudo rm -rf dist/*
 
-# Build Python 2 & 3 wheels for current version
-sudo python2 setup.py sdist bdist_wheel
+# Build Python 3 wheels for current version
 sudo python3 setup.py sdist bdist_wheel
 
 # Upload to PyPI with twine. Needs full "skymind" credentials in ~/.pypirc