change(login): 注释掉验证码验证规则

- 在 login.vue 文件中，注释掉了 loginForm表单中 code 字段的验证规则

src/views/login.vue

@@ -85,7 +85,7 @@ export default {
         password: [
           { required: true, trigger: "blur", message: "请输入您的密码" }
         ],
-        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
+/*        code: [{ required: true, trigger: "change", message: "请输入验证码" }]*/
       },
       loading: false,
       // 验证码开关