Set puppet-cinder xenial gates to non-voting
Set puppet-cinder xenial gates to non-voting

In order to address an issue with the new packaging of Cinder, we
need to set it to non-voting until we merge all the fixes and
the jobs will be restored to voting again.

Change-Id: Ib22cc3a5ff87ffb755219db20d82ca0bffb65e61

openstack-infra/project-config,openstack-infra/project-config