esp8266/scripts/: Remove use of pin.PULL_NONE.

This constant is no longer part of hardware API (replaced with just None),
and is a default, so not needed in calls.

esp8266/scripts/neopixel.py

@@ -8,7 +8,7 @@ class NeoPixel:
         self.pin = pin
         self.n = n
         self.buf = bytearray(n * 3)
-        self.pin.init(pin.OUT, pin.PULL_NONE)
+        self.pin.init(pin.OUT)
 
     def __setitem__(self, index, val):
         r, g, b = val

esp8266/scripts/onewire.py

@@ -13,7 +13,7 @@ class OneWire:
 
     def __init__(self, pin):
         self.pin = pin
-        self.pin.init(pin.OPEN_DRAIN, pin.PULL_NONE)
+        self.pin.init(pin.OPEN_DRAIN)
 
     def reset(self):
         return _ow.reset(self.pin)