♻️ refactor(payment): 移除未使用的订单服务依赖

- 删除OrderMtService的导入和实例化
- 仅保留OrderMt类型导入以减少不必要的依赖

packages/mini-payment-mt/src/services/payment.mt.service.ts

@@ -6,7 +6,7 @@ import { PaymentStatus, RefundRequest, RefundResponse } from '../entities/paymen
 import { PaymentCreateResponse } from '../entities/payment.types.js';
 import { GenericCrudService } from '@d8d/shared-crud';
 import { SystemConfigServiceMt } from '@d8d/core-module-mt/system-config-module-mt';
-import { OrderMtService, OrderMt } from '@d8d/orders-module-mt';
+import { OrderMt } from '@d8d/orders-module-mt';
 
 /**
  * 微信支付服务 - 多租户版本
@@ -15,7 +15,6 @@ import { OrderMtService, OrderMt } from '@d8d/orders-module-mt';
 export class PaymentMtService extends GenericCrudService<PaymentMtEntity> {
   private wxPay: WxPay;
   private readonly systemConfigService: SystemConfigServiceMt;
-  private readonly orderMtService: OrderMtService;
 
   constructor(
     dataSource: DataSource
@@ -25,7 +24,6 @@ export class PaymentMtService extends GenericCrudService<PaymentMtEntity> {
     });
 
     this.systemConfigService = new SystemConfigServiceMt(dataSource);
-    this.orderMtService = new OrderMtService(dataSource);
 
     // 微信支付SDK将在需要时动态初始化
     this.wxPay = null as any;