update to be more generic

Change-Id: I02abe656efcdc3586211f212add515c0ba7d0dd0
diff --git a/dev-head-node.yml b/dev-head-node.yml
index 283f9a3..550846d 100644
--- a/dev-head-node.yml
+++ b/dev-head-node.yml
@@ -1,8 +1,8 @@
-- hosts: 10.100.198.202
+- hosts: all
   remote_user: vagrant
   serial: 1
   vars:
     virtualbox_support: 1
     ansible_ssh_pass: vagrant
   roles:
-    - maas
+    - head-node