Does it bother you?

no cause he grew plus and plus inhuman has time went on...

Not really because if toi think about it, he was using Quirrell as a body and not a horcrux. Maybe he has a nose before Harry defeated him for the first time. His horcrux probably took away his nose.

Either that, ou the director didn't think of getting rid of his nose.

Have toi checked the book?

Not really.