Update EnumExtensions.cs

code cleanup

Author: math2018avan

Supermarket/Extensions/EnumExtensions.cs

@@ -1,9 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
+using System.ComponentModel;
 using System.Reflection;
-using System.Threading.Tasks;
 
 namespace Supermarket.Extensions
 {