I think that’ll be right. They look like standard Strat pickups, so they almost certainly came fitted. You could try swapping them back, you might prefer them - the Noiseless pickups are supposed to be good, but not quite the classic Strat single-coil sound.
Doubtful, Fender Noiseless pickups have the word ‘Noiseless’ embossed on the cover:
What do the fitted pickups look like?