make: remove SCCS ident stuff

*** 19,29 ****
  # CDDL HEADER END
  #
  # Copyright 1994 Sun Microsystems, Inc. All rights reserved.
  # Use is subject to license terms.
  #
- # @(#)svr4.make.rules.file 1.4 06/12/12
  #
  .SUFFIXES: .o .c .c~ .y .y~ .l .l~ .s .s~ .sh .sh~ .h .h~ .f .f~ \
  .C .C~ .Y .Y~ .L .L~
  
  MAKE=make
--- 19,28 ----