ansible.azure.automation/roles/azure_route/tasks/absent.yml

---
- name: Delete route rule
  azure_rm_route:
    ad_user: "{{ azure_ad_user | default(omit) }}"
    password: "{{ azure_password | default(omit) }}"
    subscription_id: "{{ azure_subscription_id | default(omit) }}"
    client_id: "{{ azure_client_id | default(omit) }}"
    secret: "{{ azure_secret | default(omit) }}"
    tenant: "{{ azure_tenant | default(omit) }}"
    name: "{{ route.name }}"
    resource_group: "{{ route.resource_group }}"
    route_table_name: "{{ route.route_table_name }}"
    state: "absent"
  register: deletedroute
...