Remove k8s module for ns creation

tests/cloud_playbooks/roles/packet-ci/tasks/delete-vms.yml

@@ -14,10 +14,8 @@
     state: absent
 
 - name: "Cleanup namespace for {{ test_name }}"
-  k8s:
-    kind: Namespace
-    state: absent
-    name: "{{ test_name }}"
+  command: "kubectl delete namespace {{ test_name }}"
+  changed_when: false
 
 - name: Wait for namespace {{ test_name }} to be fully deleted
   command: kubectl get ns {{ test_name }}