Remove expired password v2 test
Remove expired password v2 test

With the removal of the v2.0 APIs in Queens, we can
remove the test here for authenticating with an expired
password for a v2 user.

Change-Id: Id7e6cc032fc2ffa2f19132de8d1ccb98ce6be93b

mahak/keystone,mahak/keystone,openstack/keystone,openstack/keystone,mahak/keystone,openstack/keystone