fix: payment.wxss 多余逗号导致编译错误

cfc-frontend/pages/shop/payment/payment.vue

@@ -444,7 +444,7 @@ export default {
     color: #999;
     text-decoration: underline;
     padding: 10rpx;
-  },
+  }
   .points-value {
     color: #F97316;
   }