Not exactly removing pots but a system rework for potions. In case you aren't familiar with PoE pots system, The pots are called "Flasks" where it fills up whenever you kill an enemy or by leveling up. The flasks are in scaling with the difficulty as well, as such that the flasks gets harder to fill up as you go on with difficulty levels. The flasks have different regeneration rates as well as the number of times you can use the flasks.
There are special flasks as well, like Quicksilver Flasks which turns your movement speed to lightspeed in a duration of time and Granite flasks which grants 4000 armor in a duration of time as well. The flasks can be upgraded as well, as such you may add modifications like faster recovery rate(or even instant, though comes with a smaller amount of recovery) and refilling rate, of course some of these mods cannot go together because of reasons like both are suffixes and cannot exist with each other.
The point is, giving this kind of system in median gives a QoL update as manually getting pots to refill your belt, or filling up like half of your inventory space for pots gets annoying for some players. This might also be another end game quest as having this system creates opportunity to create the uber flasks for end game players as finding the perfect mod with the perfect roll gives a lot of effort for the player looking for the best flask out there.