make: remove SCCS ident stuff

*** 19,30 ****
  # CDDL HEADER END
  #
  # Copyright 1993 Sun Microsystems, Inc. All rights reserved.
  # Use is subject to license terms.
  #
- # @(#)default.mk.file 1.4 06/12/12
- #
  
  SUFFIXES = .o .c .c~ .cc .cc~ .s .s~ .S .S~ .ln .f .f~ .F .F~ .l .l~ \
          .mod .mod~ .sym .def .def~ .p .p~ .r .r~ .y .y~ .h .h~ .sh .sh~ \
          .cps .cps~
  .SUFFIXES: $(SUFFIXES)
--- 19,28 ----