Remove duplicate copyright

This commit was SVN r3781.

src/mpi/c/cancel.c

@@ -5,14 +5,14 @@
  *                         All rights reserved.
  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
  *                         University of Stuttgart.  All rights reserved.
- * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
+ *
- *                         University of Stuttgart.  All rights reserved.
  * $COPYRIGHT$
  * 
  * Additional copyrights may follow
  * 
  * $HEADER$
  */
+
 #include "ompi_config.h"
 #include <stdio.h>