Fix

Author: mcmorisi

source/includes/quick-start/Program.cs

@@ -1,7 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
-using MongoDB.Bson.Serialization.Conventions;
 using MongoDB.Driver;
 using MongoDB.EntityFrameworkCore.Extensions;