[CORD-2453]
Remove docker connection used with old TOSCA engine from platform-install

Change-Id: Id39121bb4f77c38b692b61abc9071e41c050adc0
diff --git a/onboard-openstack-playbook.yml b/onboard-openstack-playbook.yml
index 60b9aa8..6153779 100644
--- a/onboard-openstack-playbook.yml
+++ b/onboard-openstack-playbook.yml
@@ -21,11 +21,8 @@
   roles:
     - xos-ready
 
-- include: add-onboard-containers-playbook.yml
-
-- name: Enable compute nodes
-  hosts: xos_ui
-  connection: docker
+- name:  Enable Compute Node
+  hosts: head
   roles:
     - compute-node-enable