Lephyr pretty much summed up everything you need to know
here, I recommend reading it. But I guess for a
TL;DR:
We're aiming to remove both depictions of the cosmology including toriyamas macrocosm map and the dbs bubble universe depiction because some feel it is contradictory to the established cosmology and would be better to just go off statements and not visuals to make it less confusing and contradictory.
I am fine with that, but I have also given reasons on why the dbs depiction of the bubble universes does not actually contradict anything and should also be fine to use if you want to go that route, I wrote a detailed explanation debunking the "contradictions" in the link I posted if you want to read over it. So it's ultimately up to staff to decide which option they would like better. Hope this helps.