staging: mt7621-dma: remove license boilerplate text

Remove license boilerplate text.
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-dma/mtk-hsdma.c

@@ -2,12 +2,6 @@
 /*
  *  Copyright (C) 2015, Michael Lee <igvtee@gmail.com>
  *  MTK HSDMA support
- *
- *  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.
- *
  */
 
 #include <linux/dmaengine.h>