remove unused digitalio import

FoamyGuy · FoamyGuy · commit ccc5a196d5af · 2020-03-04T17:21:36.000-06:00
diff --git a/adafruit_debouncer.py b/adafruit_debouncer.py
@@ -46,7 +46,6 @@
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_Debouncer.git"
 
 import time
-import digitalio
 from micropython import const
 
 _DEBOUNCED_STATE = const(0x01)
