EDIT (forget the above lol)
the ones that are repealed are all ADRs entitled 43/04, so all latest editions of 43/00, 43/01, 43/02 and 43/03 are all still in effect.
the link you posted (43/04) applies only to vehicles manufactured on or after January 1, 1998 (see the applicability table, s 3.2), the other rules (/03 etc) apply to cars manufactured on different dates. it seems as though if you have a car made after 1998 you can get away with epic low front bars (assuming your suspension is done in accordance with Vicroads VSI8)
i don't know when your car was made, but check the rules to see which one applies to you.
for me personally, the /03 one applies (built on or after Jan 1, 1994) so the requirements are: