make: remove SCCS ident stuff

@@ -20,15 +20,10 @@
  */
 /*
  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
  * Use is subject to license terms.
  */
-/*
- * @(#)dosys.cc 1.45 06/12/12
- */
-
-#pragma ident   "@(#)dosys.cc   1.45    06/12/12"
 
 /*
  *      dosys.cc
  *
  *      Execute one commandline