* vax-tdep.c (vax_store_arguments, vax_push_dummy_call)

* vax-tdep.c (vax_store_arguments, vax_push_dummy_call)
(vax_unwind_dummy_id): New functions.
(vax_push_dummy_frame, vax_pop_frame): Remove functions.
(vax_call_dummy_words, sizeof_vax_call_dummy_words): Remove
variables.
(vax_fix_call_dummy): Remove function.
(vax_gdbarch_init): Set push_dummy_call and unwind_dummy_id.
Don't set deprecated_push_dummy_frame, deprecated_pop_frame,
call_dummy_location, deprecated_call_dummy_words,
deprecated_sizeof_call_dummy_words,
deprecated_call_dummy_breakpoint_offset,
deprecated_use_generic_dummy_frames, deprecated_pc_in_call_dummy,
and deprecated_dummy_write_sp.