Removing Playstyles mid game cycle would be a huge mistake.
This is not something that should be changed halfway through the year. Players have already built teams, completed evolutions, and invested time and coins specifically because certain PlayStyles were strong and useful. Taking them away now completely devalues those choices. If PlayStyles need to be redesigned or removed, that should happen in the next game, not mid year. This is simply too big of a shift.
The game right now is not great, but it is playable. The real danger is breaking the balance even more. If shooting gets ruined by over nerfing finesse shots, or passing becomes unreliable even with PlayStyles, the game will become unplayable. At the moment, PlayStyles are doing a lot to keep gameplay functional.
Please don’t make this mistake. Major core gameplay changes in the middle of the cycle will only frustrate players and hurt trust. Save big changes for the next title instead of forcing them into the current one.