Remove unused variable
Remove unused variable

It looks like this was left behind in a previous refactor.

Change-Id: Ifa91cb29f3e8daf3012ebd59f82a925be970a2c9

weezer/openstack-ansible,cfarquhar/openstack-ansible,cfarquhar/openstack-ansible,Logan2211/openstack-ansible,openstack/openstack-ansible,BjoernT/os-ansible-deployment,BjoernT/os-ansible-deployment,BjoernT/os-ansible-deployment,os-cloud/os-ansible-deployment,robb-romans/openstack-ansible,os-cloud/os-ansible-deployment,stackforge/os-ansible-deployment,BjoernT/openstack-ansible,Logan2211/openstack-ansible,bunchc/openstack-ansible,BjoernT/openstack-ansible,weezer/openstack-ansible,yanyao/openstack-ansible,cloudnull/os-ansible-deployment,openstack/openstack-ansible,robb-romans/openstack-ansible,cloudnull/os-ansible-deployment,yanyao/openstack-ansible,bunchc/openstack-ansible,stackforge/os-ansible-deployment