make: remove SCCS ident stuff

@@ -22,15 +22,10 @@
  */
 /*
  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
  * Use is subject to license terms.
  */
-/*
- * @(#)dosys.h 1.9 06/12/12
- */
-
-#pragma ident   "@(#)dosys.h    1.9     06/12/12"
 
 #include <mksh/defs.h>
 #if defined(DISTRIBUTED) || defined(MAKETOOL) /* tolik */
 #       include <rw/xdrstrea.h>
 #endif