Fix first etcd member exclusion in host group pattern (#6109)

remove-node.yml

@@ -32,7 +32,7 @@
     - { role: reset, tags: reset, when: reset_nodes|default(True) }
 
 # Currently cannot remove first master or etcd
-- hosts: "{{ node | default('kube-master[1:]:etcd[:1]') }}"
+- hosts: "{{ node | default('kube-master[1:]:etcd[1:]') }}"
   gather_facts: no
   roles:
     - { role: kubespray-defaults }