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

host_vars/nd-live.warenform.de/nd-live-common.yml

@@ -91,7 +91,7 @@ resolved_nameserver:
 # If there are more than one search domains, then specify them here in the order in which
 # the resolver should also search them
 #
-#resolved_domains: []
+# resolved_domains: []
 resolved_domains:
   - ~.
   - warenform.de
@@ -101,13 +101,13 @@ resolved_dnssec: false
 # dns.as250.net: 194.150.168.168
 #
 resolved_fallback_nameserver:
-   - 194.150.168.168
+  - 194.150.168.168
 
 
 # ---
 # vars used by roles/common/tasks/users.yml
 # ---
- 
+
 create_sftp_group: false
 
 insert_ssh_keypair_backup_server: false
@@ -129,7 +129,6 @@ ssh_keypair_backup_client:
     target: backup.warenform.de
 
 
-
 # ---
 # vars used by roles/common/tasks/users-systemfiles.yml
 # ---
@@ -172,4 +171,3 @@ git_firewall_repository:
 root_user:
   name: root
   password: $6$J1ssJfdshf/$mknQEPDcW4HN5.wFfawbamamywI7F7fhdZmaR1abNrc4DA7DNRx766lz3ygf9YV3gcmRq3QhJ3fBVlkwGMCvq.
-