make grenade-dsvm-neutron non voting
make grenade-dsvm-neutron non voting

I was mislead into believing grenade-dsvm-neutron was currently
passing, it is not. We need this non voting to get it back into
a working situation.

Change-Id: I8459d2a38d7ff6208bfcc7762454caedde378674

open-switch/infra_project-config,anbangr/osci-project-config,citrix-openstack/project-config,coolsvap/project-config,dongwenjuan/project-config,open-switch/infra_project-config,Tesora/tesora-project-config,coolsvap/project-config,osrg/project-config,noorul/os-project-config,noorul/os-project-config,dongwenjuan/project-config,openstack-infra/project-config,citrix-openstack/project-config,Tesora/tesora-project-config,osrg/project-config,anbangr/osci-project-config,openstack-infra/project-config