Remove unused busio import

tekktrik · tekktrik · commit 2f58be88bf53 · 2022-04-01T14:47:33.000-04:00
diff --git a/examples/max7219_showbcddigits.py b/examples/max7219_showbcddigits.py
@@ -4,7 +4,6 @@
 import time
 import random
 import board
-import busio
 import digitalio
 from adafruit_max7219 import bcddigits
 
