Drop these for now.

inventory/group_vars/all

@@ -105,13 +105,6 @@ sudo: false
 # This should be set for cloud instances in their host or group vars.
 root_auth_users: ''
 
-# default these all to nothing. 
-resolvconf: ''
-host_group: ''
-sshd_config: ''
-postfix_maincf: ''
-postfix_mastercf: ''
-
 # This vars get shoved into /etc/system_identification by the base role.
 # Groups and individual hosts should override them with specific info.
 # See http://infrastructure.fedoraproject.org/csi/security-policy/