One side of the bed will have a wire taped in with the conductive sticker.

If you have upgraded to the leveling switch you can cut this wire.

If not, you could carefully peel the wire off of the conductive sticker to save it for later...

Without the leveling switch there are various techniques to do conductive leveling.

aluminum foil stuck to top of bed and connected to leveling wire

homemade leveling switch

etc.