Updated openstack/openstack
Project: openstack/neutron  64486bb47470f6f7de8d2d106e70c65e50a87343

Removed python2.6 rootwrap filters

We drop support for python 2.6 in Kilo, so those filters are not needed
anymore.

Change-Id: I8f1e346916701cab5d19044c24801e19500e713c