[Checkins] [zopefoundation/AccessControl] 0e7196: Remove more old deprecations.

[Michael Howitz]

  Branch: refs/heads/remove-old-deprecations
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: 0e7196941a51cf1c99a8d50024b8b273473c81a9
      https://github.com/zopefoundation/AccessControl/commit/0e7196941a51cf1c99a8d50024b8b273473c81a9
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-07 (Wed, 07 Oct 2020)

  Changed paths:
    M CHANGES.rst
    M src/AccessControl/Owned.py
    M src/AccessControl/Role.py
    M src/AccessControl/User.py

  Log Message:
  -----------
  Remove more old deprecations.

As requested in #32.
They seem to have been forgotten in #103.