[Checkins] [zopefoundation/Zope] 928153: Remove wrong wording

[Jürgen Gmach]

  Branch: refs/heads/jugmac00-update-object-publisher-documentation-http-publishing
  Home:   https://github.com/zopefoundation/Zope
  Commit: 92815384e86e4ef0d2624f700c48c468e34270cb
      https://github.com/zopefoundation/Zope/commit/92815384e86e4ef0d2624f700c48c468e34270cb
  Author: Jürgen Gmach <jugmac00 at users.noreply.github.com>
  Date:   2019-02-05 (Tue, 05 Feb 2019)

  Changed paths:
    M docs/zdgbook/ObjectPublishing.rst

  Log Message:
  -----------
  Remove wrong wording

The term "middleware" was erroneously used as an alias for "WSGI server".

That part of the sentence was removed.