CI: remove deletion tasks of 'packet' VMs

Kubevirt VMs deletion will be handled by the Kubernetes GC (see previous
commit), remove all the codes handling that.

tests/cloud_playbooks/roles/packet-ci/tasks/cleanup-old-vms.yml

@@ -1,17 +0,0 @@
----
-
-- name: Fetch a list of namespaces
-  kubernetes.core.k8s_info:
-    api_version: v1
-    kind: Namespace
-    label_selectors:
-      - cijobs = true
-      - branch = {{ branch_name_sane }}
-  register: namespaces
-
-- name: Delete older namespaces
-  command: "kubectl delete namespace {{ item.metadata.name }}"
-  failed_when: false
-  loop: "{{ namespaces.resources }}"
-  when:
-    - (item.metadata.labels.pipeline_id | int) < (pipeline_id | int)

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

@@ -1,11 +1,4 @@
 ---
-
-- name: "Create CI namespace {{ test_name }} for test vms"
-  shell: |-
-    kubectl create namespace {{ test_name }} &&
-      kubectl label namespace {{ test_name }} cijobs=true branch="{{ branch_name_sane }}" pipeline_id="{{ pipeline_id }}"
-  changed_when: false
-
 - name: "Create temp dir /tmp/{{ test_name }} for CI files"
   file:
     path: "/tmp/{{ test_name }}"

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

@@ -1,30 +0,0 @@
----
-
-- name: Check if temp directory for {{ test_name }} exists
-  stat:
-    path: "/tmp/{{ test_name }}"
-    get_attributes: false
-    get_checksum: false
-    get_mime: false
-  register: temp_dir_details
-
-- name: "Cleanup temp directory for {{ test_name }}"
-  file:
-    path: "/tmp/{{ test_name }}"
-    state: absent
-
-- name: "Cleanup namespace for {{ 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 }}
-  register: delete_namespace
-  failed_when:
-    - delete_namespace.rc == 0
-  changed_when:
-    - delete_namespace.rc == 0
-  retries: 12
-  delay: 10
-  until:
-    - delete_namespace.rc != 0

tests/cloud_playbooks/roles/packet-ci/tasks/main.yml

@@ -2,16 +2,5 @@
 
 - name: "Include custom vars for ci job: {{ ci_job_name }}"
   include_vars: "../files/{{ ci_job_name }}.yml"
-
-- name: Cleamup old VMs
-  import_tasks: cleanup-old-vms.yml
-
 - name: Create VMs
   import_tasks: create-vms.yml
-  when:
-    - not vm_cleanup
-
-- name: Delete VMs
-  import_tasks: delete-vms.yml
-  when:
-    - vm_cleanup | default(false)