Fix issue in remove-node/post-remove task (#5185) (#5186)

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

@@ -14,6 +14,8 @@
 - name: Set node IP
   set_fact:
     node_ip: "{{ ip | default(access_ip | default(remove_node_ip.stdout)) | trim }}"
+  when:
+    - inventory_hostname in groups['etcd']
 
 - name: Delete node
   command: "{{ bin_dir }}/kubectl delete node {{ inventory_hostname }}"