Remove unused constructors that used obsolete base constructors

Author: Muximize

CodeGen/Exceptions/UnitsNetCodeGenException.cs

@@ -2,20 +2,11 @@
 // Copyright 2013 Andreas Gullberg Larsen ([email protected]). Maintained at https://github.com/angularsen/UnitsNet.
 
 using System;
-using System.Runtime.Serialization;
 
 namespace CodeGen.Exceptions
 {
     internal class UnitsNetCodeGenException : Exception
     {
-        public UnitsNetCodeGenException()
-        {
-        }
-
-        protected UnitsNetCodeGenException(SerializationInfo info, StreamingContext context) : base(info, context)
-        {
-        }
-
         public UnitsNetCodeGenException(string message) : base(message)
         {
         }