Revert "added Nano to MPF 0.57"

This reverts commit 56573a8.

mpf/config_spec.yaml

@@ -691,6 +691,7 @@ fast_rgb:
     debug: single|bool|false
     console_log: single|enum(none,basic,full)|none
     file_log: single|enum(none,basic,full)|basic
+    led_fade_time: single|ms|0
     led_hz: single|int|30
     ignore_reboot: single|bool|true
 fast_switches:

mpf/platforms/fast/communicators/rgb.py

@@ -62,7 +62,9 @@ async def soft_reset(self, **kwargs):
 
     def reset(self):
         """Reset the RGB processor."""
+        # self.send_and_forget('RF:0')  # TODO confirm if the RGB supports RF. I think not?
         self.send_and_forget('RA:000000')
+        # self.send_and_forget(f"RF:{Util.int_to_hex_string(self.config['led_fade_time'])}")
 
     def stopping(self):
         if self._led_task:

mpf/platforms/fast/fast_led.py

@@ -14,13 +14,14 @@ class FASTDirectLED:
 
     __slots__ = ["number", "number_int", "dirty", "hardware_fade_ms", "log", "channels", "machine", "platform"]
 
-    def __init__(self, number: str, platform) -> None:
+    def __init__(self, number: str, hardware_fade_ms: int, platform) -> None:
         """Initialize FAST LED on RGB processor."""
         self.number = number
         self.number_int = Util.hex_string_to_int(number)
         self.dirty = True
         self.machine = platform.machine
         self.platform = platform
+        self.hardware_fade_ms = hardware_fade_ms
         self.log = logging.getLogger('FASTLED')
         self.channels = [None, None, None]      # type: List[Optional[FASTDirectLEDChannel]]
         # All FAST LEDs are 3 element RGB and are set using hex strings