Remove reference to non-existent group.
Remove reference to non-existent group.

Change-Id: I2965c548fb51f7235faa02b8808b8b36f31ded7c
Reviewed-on: https://review.openstack.org/10829
Approved: Monty Taylor <37c07a49ee3d5191376d758eb1d8298b34456b8e@inaugust.com>
Reviewed-by: Monty Taylor <37c07a49ee3d5191376d758eb1d8298b34456b8e@inaugust.com>
Tested-by: Jenkins

open-switch/infra_puppet-jenkins,open-switch/infra_puppet-jenkins