Restrict nova-network jobs for ec2 and gce gating jobs
Restrict nova-network jobs for ec2 and gce gating jobs

Restrict nova-network jobs to previous to Ocata releases.
Due to EOL of nova-network service from Ocata release
in common environment gating of gce-api and ec2-api
against nova-network can be implemented only with nova
cells v1. but cells v1 is about to be deprecated soon too.

Change-Id: I9960be3fa031212c9c70bbf3aed434709d787e8d

openstack-infra/project-config,Tesora/tesora-project-config,openstack-infra/project-config,Tesora/tesora-project-config