tidy OOD auth defaults

Author: sjpb

ansible/roles/openondemand/defaults/main.yml

@@ -4,13 +4,17 @@
 openondemand_auth: # "oidc" or "basic_pam"
 openondemand_mapping_users: []
 
-## Variables for `openondemand_auth=oidc` :
+# Variables for openondemand_auth='oidc'
 openondemand_oidc_client_id:
 openondemand_oidc_client_secret:
 openondemand_oidc_provider_url:
 openondemand_oidc_crypto_passphrase:
 openondemand_oidc_remote_user_claim: preferred_username
 openondemand_oidc_scope: openid profile preferred_username
+openondemand_mapping_users: []
+
+# Variables for openondemand_auth='basic_pam'
+# None.
 
 # SSL Certificates
 openondemand_ssl_cert: /etc/pki/tls/certs/localhost.crt