remove reference to removed namespaces.yml

ansible/roles/setup-kubernetes/tasks/main.yml

 ---
 - import_tasks: k3s.yml
 - import_tasks: krew.yml
-- import_tasks: namespaces.yml

ansible/roles/setup-kubernetes/tasks/rke.yml

----
-
-- name: Check if there is an cluster.rkestate at the old location (/oas/control/local/rke/)
-  stat: path=/oas/control/local/rke/cluster.rkestate
-  register: old_cluster_rkestate
-
-- name: Move rke cluster state file from old to new location
-  command: mv /oas/control/local/rke/cluster.rkestate /var/lib/OpenAppStack/rke/cluster.rkestate
-  when: old_cluster_rkestate.stat.exists
-
-- name: Build Cluster
-  tags:
-    - rke
-  shell: /usr/local/bin/rke up --config={{ data_directory }}/rke/cluster.yml | systemd-cat -t rke
-
-- name: Ensure /root/.kube directory
-  tags:
-    - rke
-    - kubectl
-  file:
-    state: directory
-    path: /root/.kube
-
-- name: Link kubernetes config generated by rke
-  tags:
-    - rke
-    - kubectl
-  file:
-    state: link
-    src: "{{ data_directory }}/rke/kube_config_cluster.yml"
-    dest: /root/.kube/config