Move AllNodesValidationDeployments into jinja template loop
Move AllNodesValidationDeployments into jinja template loop

These are identical for all roles, so move them into the per-role
loop

Partially-Implements: blueprint custom-roles
Change-Id: Id85b830a0e225912a3ea8c8b17a11fc424f68bb0

openstack/tripleo-heat-templates,trozet/opnfv-tht,trozet/opnfv-tht,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,trozet/opnfv-tht,dprince/tripleo-heat-templates