make: remove SCCS ident stuff

*** 20,34 ****
   */
  /*
   * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
   * Use is subject to license terms.
   */
- /*
-  * @(#)read.cc 1.11 06/12/12
-  */
  
- #pragma ident   "@(#)read.cc    1.11    06/12/12"
  
  /*
   *      read.c
   *
   *      This file contains the makefile reader.
--- 20,30 ----