pyinotify is no longer needed

This library was used by oslo.log but isn't now.  It's being removed
from global-requirements so let's drop it from openstack-base.

Depends-On: https://review.opendev.org/c/openstack/requirements/+/917831
Change-Id: Ie91b533047d59e19bdd56f3a999e377d49a745a8

Author: tbreeds

docker/openstack-base/Dockerfile.j2

@@ -136,7 +136,6 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
         'prettytable',
         'psutil',
         '/plugins/pycadf*',
-        'pyinotify',
         'pymysql',
         'pyngus',
         'pyparsing',