[Checkins] [zopefoundation/Zope] bf94f8: - try small Travis cleanup

[Jens Vagelpohl]

  Branch: refs/heads/4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: bf94f8ae47e8ae8ab72b12bbdd57726a4d3148f6
      https://github.com/zopefoundation/Zope/commit/bf94f8ae47e8ae8ab72b12bbdd57726a4d3148f6
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-04-17 (Fri, 17 Apr 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  - try small Travis cleanup