* xref.c: Remove.
        * Make-lang.in (CXX_OBJS): Remove cp/xref.o
        (cp/xref.o): Remove dependencies.
        * class.c (finish_struct_1, check_methods): Don't call xref fns.
        (finish_struct_1): Likewise.
        * friend.c (make_friend_class): Likewise.
        * lex.c (cxx_init, cxx_finish, extract_interface_info): Likewise.
        * spew.c (read_process_identifier): Likewise.

From-SVN: r49472