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

host_vars/o20.oopen.de/o20-common.yml

@@ -87,7 +87,7 @@ 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:
   - ~.
   - oopen.de
@@ -97,7 +97,7 @@ resolved_dnssec: false
 # dns.as250.net: 194.150.168.168
 #
 resolved_fallback_nameserver:
-   - 194.150.168.168
+  - 194.150.168.168
 
 
 # ---
@@ -113,7 +113,6 @@ cron_env_entries:
     insertafter: PATH
 
 
-
 cron_user_entries:
 
   - name: "Check if webservices sre running. Restart if necessary"
@@ -177,7 +176,6 @@ cron_user_entries:
     job: /root/bin/admin-stuff/check-disc-usage.sh -c 85
 
 
-
 # ---
 # vars used by roles/common/tasks/users.yml
 # ---
@@ -224,4 +222,3 @@ git_firewall_repository:
 root_user:
   name: root
   password: $6$J1ssJfdshf/$mknQEPDcW4HN5.wFfawbamamywI7F7fhdZmaR1abNrc4DA7DNRx766lz3ygf9YV3gcmRq3QhJ3fBVlkwGMCvq.
-