Use tempest-lib's token_client

Now tempest-lib provides token_client modules as library and the
interface is stable. So neutron repogitory doesn't need to contain
these modules.
This patch makes neutron use tempest-lib's token_client and removes
the own modules for the maintenance.

Change-Id: Ieff7eb003f6e8257d83368dbc80e332aa66a156c
3 files changed
tree: 654df00b0543529a5385b61bf44d8c0d10cd8efd
  1. neutron/