small cleanup of ts_cinder_config file
small cleanup of ts_cinder_config file

fixed typo unavailble to unavailable

Change-Id: Ib98ff27b16d0dbc2f88c7a8191382ca93bd83fa2

openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals