make: remove SCCS ident stuff

*** 20,34 ****
   */
  /*
   * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
   * Use is subject to license terms.
   */
- /*
-  * @(#)dosys.cc 1.38 06/12/12
-  */
  
- #pragma ident   "@(#)dosys.cc   1.38    06/12/12"
  
  /*
   *      dosys.cc
   *
   *      Execute one commandline
--- 20,30 ----