You can upload it like that but the question is; do you want that? why not make it unique and while you make it unique you learn something... just saying
Straight from https://forum.unity.com/threads/welcome-to-the-fps-sample-forums.572479/ Or, how the FPS Sample microsite puts ot:
Some how you still miss-spelled my name, and linked me. That's next level, dude. I'm looking forward to what you are going to create. Cheers AgresivoMastery
Can you imagine the bad feedback you would get on steam if doing this, it is a bad idea! Asset flipper is what you will be labelled as.