Remove again another useless using directive

Author: benjaminpetit

src/Mvc/Mvc.Abstractions/src/ModelBinding/BindingInfo.cs

@@ -3,7 +3,6 @@
 
 using System.Linq;
 using System.Reflection;
-using Microsoft.AspNetCore.Http.Metadata;
 using Microsoft.AspNetCore.Mvc.Abstractions;
 using Microsoft.Extensions.DependencyInjection;