tests: remove old openshift tests (#311)

Older openshift test cases are no longer valid for this
collection. Removing them for now.

Fixes: #300

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

tests/integration/targets/kubernetes/tasks/main.yml

@@ -67,33 +67,6 @@
     ansible_python_interpreter: "{{ virtualenv_interpreter }}"
     playbook_namespace: ansible-test-k8s-config-getter
 
-- file:
-    path: "{{ virtualenv }}"
-    state: absent
-  no_log: yes
-
-# Test graceful failure for older versions of openshift
-- name: Get the Python version
-  setup:
-    filter: ansible_python_version
-
-- when: ansible_python_version is version('3.7', '<')
-  block:
-    - pip:
-        name:
-          - openshift==0.6.0
-          - kubernetes==6.0.0
-          - coverage
-        virtualenv: "{{ virtualenv }}"
-        virtualenv_command: "{{ virtualenv_command }}"
-        virtualenv_site_packages: no
-
-    - include_tasks: older_openshift_fail.yml
-      vars:
-        ansible_python_interpreter: "{{ virtualenv_interpreter }}"
-        playbook_namespace: ansible-test-k8s-older-openshift
-
-
 - file:
     path: "{{ virtualenv }}"
     state: absent