Ignore deleting nodes that are not in cluster (#9244)

roles/remove-node/post-remove/tasks/main.yml

@@ -2,7 +2,8 @@
 - name: remove-node | Delete node
   command: "{{ kubectl }} delete node {{ kube_override_hostname|default(inventory_hostname) }}"
   delegate_to: "{{ groups['kube_control_plane']|first }}"
-  when: inventory_hostname in groups['k8s_cluster']
+  # ignore servers that are not nodes
+  when: inventory_hostname in groups['k8s_cluster'] and inventory_hostname in nodes.stdout_lines
   retries: "{{ delete_node_retries }}"
   # Sometimes the api-server can have a short window of indisponibility when we delete a master node
   delay: "{{ delete_node_delay_seconds }}"