删除竞赛

<h5>简要描述</h5> <ul> <li>删除竞赛</li> </ul> <h5>请求URL</h5> <ul> <li><code>{{BASE_URL}}/api/contest.contest/delV2/ids/:ids</code></li> </ul> <h5>请求方式</h5> <ul> <li>DELETE </li> </ul>