nova_metadata firewall_rules missmatch
nova_metadata firewall_rules missmatch

nova_metadata firewall_rules was wrongly referenced to
tripleo::nova_placement::firewall_rules . Since placement got
extracted to its own service nova_metadata rules get not applied.

Closes-bug: #1826178

Change-Id: Ifc69495682ac4f2939414a59408742953663049d

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates