Code cleanup

samples/MicroserviceDemo/modules/product/src/ProductManagement.Domain/ProductManagement/Product.cs

@@ -79,7 +79,7 @@ namespace ProductManagement
 
         private Product SetStockCountInternal(int stockCount, bool triggerEvent = true)
         {
-            if (StockCount < 0.0f)
+            if (StockCount < 0)
             {
                 throw new ArgumentException($"{nameof(stockCount)} can not be less than 0!");
             }

samples/MicroserviceDemo/modules/product/src/ProductManagement.EntityFrameworkCore/ProductManagement/EntityFrameworkCore/ProductManagementDbContext.cs

@@ -29,6 +29,5 @@ namespace ProductManagement.EntityFrameworkCore
                 options.Schema = Schema;
             });
         }
-
     }
 }

samples/MicroserviceDemo/modules/product/src/ProductManagement.HttpApi/ProductManagement/ProductsController.cs

@@ -4,7 +4,6 @@ using Microsoft.AspNetCore.Mvc;
 using Volo.Abp;
 using Volo.Abp.Application.Dtos;
 using Volo.Abp.AspNetCore.Mvc;
-using Volo.Abp.Auditing;
 
 namespace ProductManagement
 {