fix the duplicate entry of rabbitmq_refresh

playbooks/roles/mysql/tasks/mysql.yml

@@ -55,12 +55,3 @@
   service: 
     name: mysql 
     state: started
-
-- name: Ensure Anonymous user(s) does not exist
-  mysql_user: 
-    name: '' 
-    host: "{{ item }}" 
-    state: absent
-  with_items:
-    - localhost
-    - "{{ ansible_hostname }}"