Remove unneeded neutron services in dsvm-neutron
Remove unneeded neutron services in dsvm-neutron

This job breaks when attempting to start neutron due to issues with the
vpn service. Nodepool does not need the vpn service or the fwaas service
so just remove them.

Change-Id: Iaf010a021f096731cb757155ceb0afcf2830c301

noorul/os-project-config,Tesora/tesora-project-config,dongwenjuan/project-config,dongwenjuan/project-config,openstack-infra/project-config,openstack-infra/project-config,Tesora/tesora-project-config,noorul/os-project-config