Delete the unused policy file check

refer to https://github.com/openstack/kolla-ansible/blob/master/ansible/roles/congress/tasks/config.yml#L13

Change-Id: I6904aaf32c8b561f8c5852f1b7ef746a95b6fca9

ansible/roles/congress/tasks/config.yml

@@ -62,11 +62,6 @@
   notify:
     - "Restart {{ item.key }} container"
 
-- name: Check if policies shall be overwritten
-  local_action: stat path="{{ node_custom_config }}/congress/policy.json"
-  run_once: True
-  register: congress_policy
-
 - name: Copying over existing policy file
   template:
     src: "{{ congress_policy_file_path }}"