[Checkins] [zopefoundation/zope.hookable] c50feb: Drop the use of the deprecated setuptools Features

[Jason Madden]

  Branch: refs/heads/issue11
  Home:   https://github.com/zopefoundation/zope.hookable
  Commit: c50feb07dc02355d138ea406321a67177df17a46
      https://github.com/zopefoundation/zope.hookable/commit/c50feb07dc02355d138ea406321a67177df17a46
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2020-01-20 (Mon, 20 Jan 2020)

  Changed paths:
    M setup.py

  Log Message:
  -----------
  Drop the use of the deprecated setuptools Features

Fixes #11