Temporary skip checking task cleanup at CI

DevStack started to install projects into a venv, so it is no longer
available via ansible run for ansible modules.
The fix will require to rework this logic, but we need to unblock CI.

Change-Id: Ic5e296c62b6ee85a9d105569f1007508d9cd1575

tests/ci/playbooks/run-rally-task.yaml

@@ -10,13 +10,13 @@
     rally_task_args_file: "100-percent-not-exist-file"
   roles:
     - prepare-for-rally-task
-    - role: list-os-resources
+    #- role: list-os-resources
-      vars:
+    #  vars:
-        compare: False
+    #    compare: False
     - run-rally-task
     - process-task-results
     - import-task-results
-    - role: list-os-resources
+    #- role: list-os-resources
-      vars:
+    #  vars:
-        compare: True
+    #    compare: True
     - check-task-sla