chore: remove netease api code from repo

netease_api/module/send_playlist.js

@@ -1,17 +0,0 @@
-// 私信歌单
-
-module.exports = (query, request) => {
-  query.cookie.os = 'pc';
-  const data = {
-    id: query.playlist,
-    type: 'playlist',
-    msg: query.msg,
-    userIds: '[' + query.user_ids + ']',
-  };
-  return request('POST', `https://music.163.com/weapi/msg/private/send`, data, {
-    crypto: 'weapi',
-    cookie: query.cookie,
-    proxy: query.proxy,
-    realIP: query.realIP,
-  });
-};