Saw your post on Reddit too. Someone linked the thread on here to a similar board.
They are probably jumper wires, but could be diodes. You do need to desolder them and reinstall them to use the PCB. If you’re just looking to harvest the switches you can toss them.
If they’re just bare metal wire, they are jumpers (like a thick staple, 
)
If they have a little ceramic or glass looking piece in the middle they are diodes.