make: remove SCCS ident stuff

*** 20,32 ****
   */
  /*
   * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
   * Use is subject to license terms.
   */
- /*
-  * @(#)lock.c 1.5 06/12/12
-  */
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <unistd.h>
  #include <string.h>
--- 20,29 ----