Minor cleanup

Upsilon/BoundTypes/UserDataBoundTypeDefinition.cs

@@ -71,11 +71,8 @@ namespace Upsilon.BoundTypes
 
             for (var i=0; i < enumValues.Length; i++)
             {
-                // Retrieve the value of the ith enum item.
                 var value = enumValues.GetValue(i);
 
-                // Convert the value to its underlying type (int, byte, long, ...)
-                var underlyingValue = Convert.ChangeType(value, enumUnderlyingType);
                 var name = value.ToString().ToLowerInvariant();
                 Properties.Add(name, new UserDataBoundProperty()
                 {