Removed unneeded usings

hexworld/Driver.cs

@@ -1,15 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Diamond.Buffers;
-using Newtonsoft.Json;
-using OpenTK;
-
-namespace hexworld
+namespace hexworld
 {
     public class Driver
     {