[CORD-1569]
Clean up defaults files, removal of old gui config for documentation

Change-Id: I73a1c5bd0dedcfe09d817e4e5d59e1d5fca3c297
diff --git a/deploy-openstack-playbook.yml b/deploy-openstack-playbook.yml
index 915f489..a806147 100644
--- a/deploy-openstack-playbook.yml
+++ b/deploy-openstack-playbook.yml
@@ -47,4 +47,4 @@
 - name: Configure Nova with DPDK-enabled flavors
   hosts: head
   roles:
-    - { role: setup-nova-dpdk, when: enable_dpdk | default(False) }
+    - { role: setup-nova-dpdk, when: use_dpdk | default(False) }