Cleaned up usings

CodeGenerator/Program.cs

@@ -2,16 +2,10 @@
 using System.CodeDom;
 using System.CodeDom.Compiler;
 using System.Collections.Generic;
-using System.Globalization;
 using System.IO;
 using System.Linq;
-using System.Reflection;
-using System.Reflection.Emit;
 using System.Text;
 using Kaitai;
-using Microsoft.CodeAnalysis;
-using Microsoft.CodeAnalysis.CSharp;
-using Microsoft.CodeAnalysis.Text;
 using Microsoft.CSharp;
 using BlendFile = Kaitai.BlenderBlend;