[Checkins] [zopefoundation/z3c.form] c4921c: Drop using z3c.recipe.sphinxdoc.

[GitHub]

  Branch: refs/heads/drop-z3c.recipe.sphinxdoc
  Home:   https://github.com/zopefoundation/z3c.form
  Commit: c4921cd5ed999eefa401bd3ac6aae269d0cd8d1b
      https://github.com/zopefoundation/z3c.form/commit/c4921cd5ed999eefa401bd3ac6aae269d0cd8d1b
  Author: Michael Howitz <mh at gocept.com>
  Date:   2017-11-27 (Mon, 27 Nov 2017)

  Changed paths:
    M buildout.cfg

  Log Message:
  -----------
  Drop using z3c.recipe.sphinxdoc.

After the documentation is now on RTD via the standard way there is no need for z3c.recipe.sphinxdoc any more here.