[Checkins] [zopefoundation/RestrictedPython] 2cc0dc: remove no longer required special code for Python 3.9

[Dieter Maurer]

  Branch: refs/heads/fix-193
  Home:   https://github.com/zopefoundation/RestrictedPython
  Commit: 2cc0dc0a483becbc66a89d12507e98090d06f980
      https://github.com/zopefoundation/RestrictedPython/commit/2cc0dc0a483becbc66a89d12507e98090d06f980
  Author: dieter <dieter at handshake.de>
  Date:   2020-04-01 (Wed, 01 Apr 2020)

  Changed paths:
    M src/RestrictedPython/transformer.py

  Log Message:
  -----------
  remove no longer required special code for Python 3.9