Manages "host_all" on users

tasks/main.yml

@@ -68,7 +68,8 @@
     name: "{{ item.name }}"
     password: "{{ item.password }}"
     priv: "{{ item.priv }}"
-    host: "{{ item.host | default('localhost') }}"
+    host: "{{ item.host | default(omit) }}"
+    host_all: "{{ item.host_all | default(omit) }}"
     state: present
   with_items: "{{ mariadb_users }}"