Remove mapping of gnocchi_dentity_only to swift
Remove mapping of gnocchi_dentity_only to swift

Even with swift driver gnocchi needs config files to be deployed,
service to be created, etc. There is no reason to omit
everything in case of storage driver is swift

Change-Id: I009f844d8fcf5ac7043f4054dc4f514bed8c38d9

openstack/openstack-ansible,stackforge/os-ansible-deployment,stackforge/os-ansible-deployment,openstack/openstack-ansible