py/misc.h: Remove unused count_lead_ones() inline function.
py/misc.h: Remove unused count_lead_ones() inline function.

This function was never used for unicode/utf8 handling code, or anything
else, so remove it to keep things clean.

adafruit/micropython,MrSurly/micropython,bvernoux/micropython,selste/micropython,pramasoul/micropython,tralamazza/micropython,pfalcon/micropython,henriknelson/micropython,dmazzella/micropython,kerneltask/micropython,henriknelson/micropython,dmazzella/micropython,adafruit/circuitpython,selste/micropython,swegener/micropython,pozetroninc/micropython,ryannathans/micropython,bvernoux/micropython,pfalcon/micropython,tobbad/micropython,henriknelson/micropython,adafruit/circuitpython,adafruit/micropython,adafruit/micropython,kerneltask/micropython,dmazzella/micropython,MrSurly/micropython,pozetroninc/micropython,MrSurly/micropython,trezor/micropython,adafruit/micropython,tobbad/micropython,trezor/micropython,kerneltask/micropython,trezor/micropython,swegener/micropython,pramasoul/micropython,ryannathans/micropython,selste/micropython,tobbad/micropython,swegener/micropython,kerneltask/micropython,pozetroninc/micropython,pramasoul/micropython,swegener/micropython,MrSurly/micropython,tobbad/micropython,tralamazza/micropython,selste/micropython,tobbad/micropython,trezor/micropython,trezor/micropython,adafruit/circuitpython,swegener/micropython,pfalcon/micropython,adafruit/circuitpython,bvernoux/micropython,henriknelson/micropython,pfalcon/micropython,pramasoul/micropython,pfalcon/micropython,ryannathans/micropython,pozetroninc/micropython,pozetroninc/micropython,adafruit/circuitpython,tralamazza/micropython,tralamazza/micropython,henriknelson/micropython,bvernoux/micropython,dmazzella/micropython,MrSurly/micropython,adafruit/circuitpython,ryannathans/micropython,kerneltask/micropython,bvernoux/micropython,selste/micropython,pramasoul/micropython,ryannathans/micropython,adafruit/micropython