[Checkins] [zopefoundation/Zope] 87c4ba: Remove references to obsolete Z_REALM (#486)

[Jürgen Gmach]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 87c4ba097b0f7fa8f26e60b22a58992c1baaad75
      https://github.com/zopefoundation/Zope/commit/87c4ba097b0f7fa8f26e60b22a58992c1baaad75
  Author: Jürgen Gmach <jugmac00 at users.noreply.github.com>
  Date:   2019-02-10 (Sun, 10 Feb 2019)

  Changed paths:
    M docs/zdgbook/ObjectPublishing.rst
    M src/Zope2/Startup/handlers.py

  Log Message:
  -----------
  Remove references to obsolete Z_REALM (#486)

The Z_REALM environment variable is no longer used to control the
realm name of a basic auth dialog.

closes #438

modified:   docs/zdgbook/ObjectPublishing.rst
modified:   src/Zope2/Startup/handlers.py