rear brake question on xpro storm 125

[triprop]

i want to delete the foot brake and move it to the left hand brake that is currently the "parking brake" lever that accuates the rear disc. im confused as the parking brake is attached by cable but it must utilize the fluid to press the pads together. i gently activated the parking brake to see if i could modulate the braking force and it seems i can. will this work? and if i do that i would need to disconnect the "start safety switch" on top the master cylinder. do i just twist those lead wires together to disable? thanks.