Getting rid of the self-allotment stats system won't change the way stat traits work.
Even if they change it so that your stats are static, depending on your class and rank, the traits will still do what they've always done.
If your rank 30 Conjurer has the fixed stats of:
Using the six Str/Vit/Dex -> Int/Pie/Mnd traits will put your stats at
They would function exactly the same way they would now.
I know this but what happens after this one time change? It's not like people are going to add STR to a conj or MND to a archer it will be pretty much a one time thing then it's a useless ability that's costed you possibly alot of guild marks