fix(schema): 移除 voucher 字段中不必要的标签

- 删除 voucher.card_type 标签
- 删除 voucher.early_notifier 标签
- 减少冗余字段，简化标签映射映射结构

server/internal/schema/fields.go

@@ -156,8 +156,6 @@ func AllLabels() map[string]string {
 		"voucher.batch_goods_name":                 "立减金批次名称",
 		"voucher.recharge_amount":                  "立减金充值金额",
 		"voucher.reduce_amount":                    "立减金减免金额",
-		"voucher.card_type":                        "卡类型",
-		"voucher.early_notifier":                   "提前通知人",
 		"voucher.receive_mode":                     "立减金领取方式",
 		"voucher.send_num":                         "发放数量",
 		"voucher.is_webview":                       "是否H5领取",