Removed py33 and pypy
Removed py33 and pypy

We don't test pypy. Infra no longer has instances able to test
py33. Removing these from our tox.ini file seems sane.

Change-Id: Icf42af12b61749a115136f25a219f4083500f353

ColdrickSotK/storyboard,ColdrickSotK/storyboard,ColdrickSotK/storyboard