Remove the GPL notification from EAP-pwd implementation

Remove the GPL notification text from EAP-pwd implementation per
approval from Dan Harkins who contributed these files.
(email from Dan Harkins <dharkins@lounge.org> dated
Wed, 4 Jan 2012 16:25:48 -0800)

Signed-hostap: Jouni Malinen <j@w1.fi>

src/eap_common/eap_pwd_common.c

@@ -2,14 +2,8 @@
  * EAP server/peer: EAP-pwd shared routines
  * Copyright (c) 2010, Dan Harkins <dharkins@lounge.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the BSD license.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  */
 
 #include "includes.h"

src/eap_common/eap_pwd_common.h

@@ -2,14 +2,8 @@
  * EAP server/peer: EAP-pwd shared definitions
  * Copyright (c) 2009, Dan Harkins <dharkins@lounge.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the BSD license.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  */
 
 #ifndef EAP_PWD_COMMON_H

src/eap_peer/eap_pwd.c

@@ -2,14 +2,8 @@
  * EAP peer method: EAP-pwd (RFC 5931)
  * Copyright (c) 2010, Dan Harkins <dharkins@lounge.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the BSD license.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  */
 
 #include "includes.h"

src/eap_server/eap_server_pwd.c

@@ -2,14 +2,8 @@
  * hostapd / EAP-pwd (RFC 5931) server
  * Copyright (c) 2010, Dan Harkins <dharkins@lounge.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the BSD license.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  */
 
 #include "includes.h"