Update main.yml (#7557)

roles/recover_control_plane/etcd/tasks/main.yml

@@ -36,6 +36,7 @@
     state: absent
   delegate_to: "{{ item }}"
   with_items: "{{ groups['broken_etcd'] }}"
+  ignore_errors: true
   when:
     - groups['broken_etcd']
     - has_quorum