[Checkins] [zopefoundation/ZServer] 3aa94f: Remove obsolete setter of Z_DEBUG_MODE

[Jürgen Gmach]

  Branch: refs/heads/remove_Z_DEBUG_MODE
  Home:   https://github.com/zopefoundation/ZServer
  Commit: 3aa94f541581336c5b31e709c5aa77ca9f9d191c
      https://github.com/zopefoundation/ZServer/commit/3aa94f541581336c5b31e709c5aa77ca9f9d191c
  Author: Jürgen Gmach <jugmac00 at users.noreply.github.com>
  Date:   2019-02-03 (Sun, 03 Feb 2019)

  Changed paths:
    M src/ZServer/Zope2/Startup/handlers.py

  Log Message:
  -----------
  Remove obsolete setter of Z_DEBUG_MODE

This environment variable is no longer used anywhere.