Fix designate dockerfile
Fix designate dockerfile

remove avoid /var/log/designate

Change-Id: I9a1359106f7c9ba38b9603c7ed70373dbb08483b

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