refactor cart

src/modules/cart/providers/cart.service.ts

@@ -1,5 +1,4 @@
 import { Injectable, NotFoundException, BadRequestException } from '@nestjs/common';
-import { EntityManager } from '@mikro-orm/postgresql';
 import { DeliveryMethodEnum } from '../../delivery/interface/delivery';
 import { PaymentMethodEnum } from '../../payments/interface/payment';
 import { OrderCouponDetail } from '../../orders/interface/order.interface';
@@ -22,7 +21,6 @@ import { CartItemService } from './cart-item.service';
 @Injectable()
 export class CartService {
   constructor(
-    private readonly em: EntityManager,
     private readonly cartRepository: CartRepository,
     private readonly validationService: CartValidationService,
     private readonly calculationService: CartCalculationService,