Fix etcd container check failed

mode is unsupported parameters for (kolla_docker) module[0].

[0]: https://github.com/openstack/kolla-ansible/blob/master/ansible/library/kolla_docker.py#L726

Co-Authored-By: wu.chunyang <wu.chunyang@99cloud.net>
Closes-Bug: #1766170

Change-Id: I06077e09773f6b263e11b0579a74aaf8f73c1110

ansible/roles/etcd/tasks/config.yml

@@ -33,8 +33,6 @@
     name: "{{ item.value.container_name }}"
     image: "{{ item.value.image }}"
     volumes: "{{ item.value.volumes }}"
-    mode: "0660"
-  become: true
   register: check_etcd_containers
   when:
     - action != "config"