Add infra zuul job with reduced required_projects
Add infra zuul job with reduced required_projects

There is no need to have the openstack service repos available for
the infra scenario tests

Change-Id: I16609d11e91142c32a69954713b039f4e5e6ebbb

stackforge/os-ansible-deployment,openstack/openstack-ansible,stackforge/os-ansible-deployment,openstack/openstack-ansible