[Checkins] [zopefoundation/Zope] afcf9c: Remove references to obsolete Z_REALM

[Jürgen Gmach]

  Branch: refs/heads/remove_z_realm
  Home:   https://github.com/zopefoundation/Zope
  Commit: afcf9cf9f547e25f1c9d3977457601ed9f355fdb
      https://github.com/zopefoundation/Zope/commit/afcf9cf9f547e25f1c9d3977457601ed9f355fdb
  Author: Jürgen Gmach <juergen.gmach at apis.de>
  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

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