Updated openstack/openstack
Project: openstack/keystone  002aa885523f114dcdfeb29f24002085bd3b1880

Remove deprecated token_api.list_tokens

The method token_api.list_tokens was deprecated in Icehouse and
slated for removal in Juno. It was determined that the driver
version of .list_tokens was an internal method and should not
be used outside of the .delete_tokens method.

blueprint: non-persistent-tokens
Change-Id: I33e81503b1469537bbd745937bf2efe17c7ae469