remove non-broken-out nrf pins. re-organize pins.c list.
remove non-broken-out nrf pins. re-organize pins.c list.

adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/micropython,adafruit/micropython,adafruit/micropython,adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython