removing:

edxapp_cms_app_address: 127.0.0.1
edxapp_lms_app_address: 127.0.0.1
edxapp_lms_preview_app_address: 127.0.0.1

as they are replace by *_gunicorn_host

playbooks/roles/edxapp/defaults/main.yml

@@ -247,12 +247,6 @@ edxapp_lms_preview_gunicorn_port: 8020
 edxapp_lms_preview_gunicorn_host: 127.0.0.1
 
 
-
-
-edxapp_cms_app_address: 127.0.0.1
-edxapp_lms_app_address: 127.0.0.1
-edxapp_lms_preview_app_address: 127.0.0.1
-
 # These vars are for creating the application json config
 # files.  There are two for each service that uses the
 # 'edx-platform' code.  Defining them will create the upstart