It shouldn't be removed, it's pretty annoying and I always get salty from it. Trying to counter pyro is real hard, altho once you get more experience playing as hale, they won't be that much of a problem. Sometimes they might even indirectly kill their teammates, since some pyro's airblast teammates into their enemies. And some pyro's even proceed to spam M2 when vagineer has uber what'll increase the duration.
The times you find a really good pyro, it'll be hard to actually defeat them, and most of the times they actually carry their team by preventing the hale from attacking them. Altho because pyro takes a lot of damage from falling into the void (almost insta kill), it'll be easy to take care of them if they use the flare gun.
TL;DR yes the airblast is annoying, but some pyro's dont know what they're doing and pyro will be easy to deal with once you gain experience and know the counters.