Remove copyright Notice

syntax/AssertSyntaxTests.cs

@@ -1,9 +1,3 @@
-// ****************************************************************
-// Copyright 2007, Charlie Poole
-// This is free software licensed under the NUnit license. You may
-// obtain a copy of the license at http://nunit.org
-// ****************************************************************
-
 using System;
 using System.Collections;
 using NUnit.Framework.Constraints;