arduino_buoy: Tidy up after move to nodeconfig file.
arduino_buoy: Tidy up after move to nodeconfig file.

UKHASnet/UKHASnet_Firmware,sburggsx/UKHASnet_Firmware,UKHASnet/UKHASnet_Firmware,dbrooke/UKHASnet_Firmware,dbrooke/UKHASnet_Firmware,sburggsx/UKHASnet_Firmware