[Checkins] [zopefoundation/Zope] ce067f: - cleaning up tox config

[Jens Vagelpohl]

  Branch: refs/heads/4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: ce067fa8107e22926906dfdd120f0b7d72c72889
      https://github.com/zopefoundation/Zope/commit/ce067fa8107e22926906dfdd120f0b7d72c72889
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-07-10 (Fri, 10 Jul 2020)

  Changed paths:
    M tox.ini

  Log Message:
  -----------
  - cleaning up tox config