去除错误次数验证

@@ -225,8 +225,6 @@ const local = {
         }
 
         passport.authenticate('local', (err, user) => {
-            let loginSession = req.session.login;
-
             if (err || !user) {
                 let obj = {
                     code: 400,
@@ -234,12 +232,6 @@ const local = {
                     data: ''
                 };
 
-                --loginSession.errorCount;
-
-                if (loginSession.errorCount <= 0) {
-                    obj.captchaShow = true;
-                }
-
                 res.json(obj);
             } else {
                 let refer = req.cookies.refer;