Updated openstack/openstack
Project: openstack/neutron  3b2adad972c903d7c77bd6c2d6177f921b32f989

Remove redundant default=None for config options

By default the cfg modules set the default value as None. There
is no reason to set this.

Change-Id: I58e09e01760b573612c2ee169a8dd1784fd36a82