Change Munin server config and set vars in host_vars instead of group_vars

.gitignore

@@ -1,6 +1,5 @@
 group_vars/all/vault.yml
 host_vars/*.wirebrass.fr*
-group_vars/munin_server.yml
 roles/geerlingguy.*
 inventory_wirebrass.yml
 .vault-password

group_vars/all/all.yml

@@ -19,3 +19,6 @@ resolvers:
 
 # Domain to use in the DNS "search" resolver field
 main_domain: wirebrass.fr
+
+# Certbot admin Email address
+certbot_admin_email: contact@wirebrass.fr

group_vars/munin_server.yml

@@ -1,11 +1,4 @@
 ---
-munin_hosts:
-  - name: "localhost"
-    address: "127.0.0.1"
-    extra: ["use_node_name yes"]
-  - name: "host.example.org"
-    address: "ssh://munin-async@host.example.org/ -W localhost:4949"
-
 munin_admin_user: "{{ vault_munin_admin_user }}"
 munin_admin_password: "{{ vault_munin_admin_password }}"
 
@@ -20,7 +13,6 @@ certbot_auto_renew_user: "root"
 certbot_auto_renew_hour: "3"
 certbot_auto_renew_minute: "30"
 certbot_auto_renew_options: "--quiet --no-self-upgrade"
-certbot_admin_email: contact@wirebrass.fr
 certbot_create_if_missing: true
 certbot_create_method: standalone
 certbot_create_standalone_stop_services: