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

host_vars/o40.oopen.de/o40-common.yml

@@ -6,10 +6,10 @@
 
 
 # If true, all additional files in /etc/network/interfaces/interfaces.d/ are deleted
-network_manage_devices: True
+network_manage_devices: true
 
 # Should the interfaces be reloaded after config change?
-network_interface_reload: False
+network_interface_reload: false
 
 network_interface_path: /etc/network/interfaces.d
 network_interface_required_packages:
@@ -110,7 +110,6 @@ network_interfaces:
     post-down: [] # post-down script lines
 
 
-
   - device: br0
     family: inet6
     method: static
@@ -204,7 +203,7 @@ 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
@@ -214,7 +213,7 @@ resolved_dnssec: false
 # dns.as250.net: 194.150.168.168
 #
 resolved_fallback_nameserver:
-   - 194.150.168.168
+  - 194.150.168.168
 
 
 # ---
@@ -281,7 +280,6 @@ cron_user_entries:
     job: /root/bin/monitoring/check_ntpsec_service.sh
 
 
-
 # ---
 # vars used by roles/common/tasks/users.yml
 # ---
@@ -328,4 +326,3 @@ git_firewall_repository:
 root_user:
   name: root
   password: $6$J1ssJfdshf/$mknQEPDcW4HN5.wFfawbamamywI7F7fhdZmaR1abNrc4DA7DNRx766lz3ygf9YV3gcmRq3QhJ3fBVlkwGMCvq.
-