Merge branch 'hotfix/installment' into 'master'

fix never used

'yasProcess' is assigned a value but never used.

See merge request !1490

@@ -9,7 +9,6 @@ const installmentModel = require('../models/installment');
 const _ = require('lodash');
 const helpers = global.yoho.helpers;
 const logger = global.yoho.logger;
-const yasProcess = require(`${global.utils}/yas-process`);
 
 // 服务器报错页面
 const _serverCrash = (res, params, err, next) => {