refactor: 移除未使用的导入和注释掉的生命周期钩子

src/entity/order_sale.entity.ts

@@ -1,8 +1,8 @@
 import { ApiProperty } from '@midwayjs/swagger';
 import { Exclude, Expose } from 'class-transformer';
 import {
-  BeforeInsert,
-  BeforeUpdate,
+  // BeforeInsert,
+  // BeforeUpdate,
   Column,
   CreateDateColumn,
   Entity,

src/service/order.service.ts

@@ -39,7 +39,6 @@ import * as path from 'path';
 import * as os from 'os';
 import { UnifiedOrderDTO } from '../dto/site-api.dto';
 import { CustomerService } from './customer.service';
-import { DictItem } from '../entity/dict_item.entity';
 import { ProductService } from './product.service';
 @Provide()
 export class OrderService {