Remove outdated information from README file.

The NetSieben library hasn't been part of QtCreator since 2.1.

Reviewed-by: hjk <qthjk@ovi.com>
(cherry picked from commit 688b7a1a30)

Change-Id: Ifde5851a35c60981422c0fe6e06ce8f31e16f14b
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

README

@@ -248,28 +248,6 @@ we thank the authors who made this possible:
   QtCreator/src/libs/3rdparty
 
 
-* NetSieben SSH Library is a Secure Shell client library for C++. Version 1.3.2
-
-  Commercial License: For organizations who do not want to release the source
-  code for their applications as open source/ free software; in other words
-  they do not want to comply with the GNU General Public License (GPL) or Q
-  Public License.
-
-  Non Commercial / Open Source License: NetSieben believes in contributing back
-  to the open source community, thus it has released the SSH Library under Q
-  Public License as it is defined by Trolltech AS of Norway. The Open Source
-  License allows the user to use software under an open source / free software
-  license, and distribute it freely. The software can be used at no charge with
-  the condition that if the user uses the SSH Library in an application they
-  wish to redistribute, then the complete source code for your application must
-  be available and freely redistributable under reasonable conditions. For more
-  information on the used QPL License see:
-  QtCreator/src/libs/3rdparty/net7ssh/LICENSE.QPL
-
-  The source code of NetSieben Secure Shell C++ Library can be found in
-  QtCreator/src/libs/3rdparty.
-
-
 * ClassView and ImageViewer plugins
 
   Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).