make: remove SCCS ident stuff

*** 20,34 ****
   */
  /*
   * Copyright 1995 Sun Microsystems, Inc. All rights reserved.
   * Use is subject to license terms.
   */
- /*
-  * @(#)depvar.cc 1.14 06/12/12
-  */
- 
- #pragma ident   "@(#)depvar.cc  1.14    06/12/12"
  
  /*
   * Included files
   */
  #include <mk/defs.h>
--- 20,29 ----