Remove node_templates_directory in ansbile variable file

This variable is not used anymore.

TrivialFix

Change-Id: I1293d75a250370a80d1ac77f754858891cbeef5a

ansible/group_vars/all.yml

@@ -4,7 +4,6 @@
 # The "temp" files that are created before merge need to stay persistent due
 # to the fact that ansible will register a "change" if it has to create them
 # again. Persistent files allow for idempotency
-node_templates_directory: "/usr/share/kolla/templates"
 container_config_directory: "/var/lib/kolla/config_files"
 
 # The directory to store the config files on the destination node