Right now, there is no way to do that. But I wonder how can you have too many of a specific upgraders, since you don't get a lot of them as astral drops. I mostly get universal upgraders, so if I'd have too many of a certain type of upgrader, it would be because I bought too many of them from the npc.. which I shouldn't have in the first place.
That, or I'm missing something, and the gear-specific drops are actually common in s3.
Not that it happens to me that often but its a guessing game on how many are actually needed to upgrade. Never know when you will actually get a double and it can be a pain the bum running back and forth to the upgrader person and the anvil.
Gear specific drops are also common in s1 and s2. I think I have had a universal drop 1 time in s2.