Remove Ansible references from tox.ini
Remove Ansible references from tox.ini

Change-Id: Id27756e2333e216c9b0947c0af1e77c60ad5d9f0

nihilifer/kolla,rahulunair/kolla,stackforge/kolla,GalenMa/kolla,stackforge/kolla,intel-onp/kolla,coolsvap/kolla,openstack/kolla,rahulunair/kolla,intel-onp/kolla,mrangana/kolla,nihilifer/kolla,coolsvap/kolla,coolsvap/kolla,stackforge/kolla,mrangana/kolla,GalenMa/kolla,openstack/kolla