Add docstring to delete_project
Add docstring to delete_project

Change-Id: Ied6b13329a3563862d46f664d9c246f3346494fd

cernops/keystone,openstack/keystone,ilay09/keystone,rajalokan/keystone,ilay09/keystone,mahak/keystone,cernops/keystone,rajalokan/keystone,mahak/keystone,ilay09/keystone,mahak/keystone,openstack/keystone,openstack/keystone,rajalokan/keystone