Remove unused function, use 1.1V ADC Reference, remove a lot of surplus delay()s.
Remove unused function, use 1.1V ADC Reference, remove a lot of surplus delay()s.

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