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

---
- name: Delete connection
  azure_rm_resource:
    ad_user: "{{ azure_ad_user | default(omit) }}"
    password: "{{ azure_password | default(omit) }}"
    subscription_id: "{{ azure_subscription_id | default(lookup('env', 'AZURE_SUBSCRIPTION_ID')) }}"
    client_id: "{{ azure_client_id | default(lookup('env', 'AZURE_CLIENT_ID')) }}"
    secret: "{{ azure_secret | default(lookup('env', 'AZURE_SECRET')) }}"
    tenant: "{{ azure_tenant | default(lookup('env', 'AZURE_TENANT')) }}"
    provider: "Network"
    resource_name: "{{ con.name | urlencode }}"
    resource_group: "{{ con.resource_group }}"
    resource_type: "connections"
    state: "absent"
  register: deletecon
...