Remove RabbitMQ policy removal code

It is no longer needed per the removed comment.

Change-Id: I8d88c21c7e115b842a56f0ba5c780c3bde593964

ansible/roles/rabbitmq/tasks/upgrade.yml

@@ -16,29 +16,6 @@
   when: inventory_hostname in groups[role_rabbitmq_groups]
   register: rabbitmq_differs
 
-- name: List RabbitMQ policies
-  vars:
-    service_name: "rabbitmq"
-    service: "{{ rabbitmq_services[service_name] }}"
-  become: true
-  command: "docker exec {{ service.container_name }} rabbitmqctl list_policies --silent"
-  delegate_to: "{{ groups[role_rabbitmq_groups] | first }}"
-  run_once: true
-  register: rabbitmq_policies
-  changed_when: false
-
-# NOTE(dszumski): This can be removed in the Zed cycle
-- name: Remove ha-all policy from RabbitMQ
-  vars:
-    service_name: "rabbitmq"
-    service: "{{ rabbitmq_services[service_name] }}"
-  become: true
-  command: "docker exec {{ service.container_name }} rabbitmqctl clear_policy ha-all"
-  delegate_to: "{{ groups[role_rabbitmq_groups] | first }}"
-  when:
-    - "'ha-all' in rabbitmq_policies.stdout"
-  run_once: true
-
 - import_tasks: config.yml
 
 - import_tasks: check-containers.yml