chore(ansible): clean up host_vars YAML and normalize mail text blocks

host_vars/test.mx.oopen.de/test.mx-common.yml

@@ -1,4 +1,5 @@
 ---
+# yamllint disable rule:line-length
 
 # ---
 # vars used by role 'firewall'
@@ -30,7 +31,7 @@ dovecot_auth_allowed_network_ipv6:
 # vars used by cron.yml
 # ---
 
-#cron_env_entries: []
+# cron_env_entries: []
 cron_env_entries:
   - name: PATH
     job: /root/bin/admin-stuff:/root/bin:/usr/local/php/bin:/usr/local/apache2/bin:/sbin:/bin:/usr/local/dovecot/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
@@ -59,9 +60,9 @@ create_sftp_group: true
 # vars used by roles/common/tasks/sudoers.yml
 # ---
 
-insert_sudoers_back_postgres_privileges: True
+insert_sudoers_back_postgres_privileges: true
 
-insert_sudoers_postfixadmin_privileges: True
+insert_sudoers_postfixadmin_privileges: true
 
 
 # ==============================
@@ -70,4 +71,3 @@ insert_sudoers_postfixadmin_privileges: True
 # ---
 # vars used by scripts/reset_root_passwd.yml
 # ---
-