chore: format all code according to SPDX (#2023)

src/main/java/org/owasp/webgoat/container/HammerHead.java

@@ -1,3 +1,7 @@
+/*
+ * SPDX-FileCopyrightText: Copyright © 2008 WebGoat authors
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 package org.owasp.webgoat.container;
 
 import lombok.AllArgsConstructor;
@@ -7,39 +11,6 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.servlet.ModelAndView;
 
-/**
- * *************************************************************************************************
- *
- * <p>
- *
- * <p>This file is part of WebGoat, an Open Web Application Security Project utility. For details,
- * please see http://www.owasp.org/
- *
- * <p>Copyright (c) 2002 - 2014 Bruce Mayhew
- *
- * <p>This program is free software; you can redistribute it and/or modify it under the terms of the
- * GNU General Public License as published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * <p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * <p>You should have received a copy of the GNU General Public License along with this program; if
- * not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
- *
- * <p>Getting Source ==============
- *
- * <p>Source for this application is maintained at https://github.com/WebGoat/WebGoat, a repository
- * for free software projects.
- *
- * @author Jeff Williams
- * @author Bruce Mayhew
- * @author Nanne Baars
- * @version $Id: $Id
- * @since October 28, 2003
- */
 @Controller
 @AllArgsConstructor
 public class HammerHead {