[Checkins] [zopefoundation/Persistence] aa6b99: Drop testing PyPy2.

[Michael Howitz]

  Branch: refs/heads/drop-py2
  Home:   https://github.com/zopefoundation/Persistence
  Commit: aa6b99c7a4435ebae9eac4056d5b38465ff397ce
      https://github.com/zopefoundation/Persistence/commit/aa6b99c7a4435ebae9eac4056d5b38465ff397ce
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-03-20 (Fri, 20 Mar 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Drop testing PyPy2.