review of analog clock app

  - remove Time Class since it is not used
  - remove unused variables from Clock class

preload/apps/analog_clock/__init__.py

 # Adapted from https://github.com/muccc/flipdots/blob/master/scripts/clock.py
 import display
-from utime import sleep
 import utime
 import math
 import leds
@@ -11,28 +10,6 @@ import os
 CONFIG_NAME = "clock.json"
 
 
-class Time:
-    def __init__(self, start=0):
-        self.time = start
-        self.wait_time = 0.95
-
-    def tick(self):
-        sleep(self.wait_time)
-        self.time += 1
-
-    @property
-    def second(self):
-        return self.time % 60
-
-    @property
-    def minute(self):
-        return (self.time / 60) % 60
-
-    @property
-    def hour(self):
-        return (self.time / 3600) % 24
-
-
 class Clock:
     def __init__(
         self,
@@ -45,22 +22,15 @@ class Clock:
         second_hand=True,
         console_out=False,
         run_once=False,
-        update_interval=0,
     ):
-        self.sizex = sizex
-        self.sizey = sizey
         self.radius = radius
-        self.center = (int(self.sizex / 2), int(self.sizey / 2))
+        self.center = (int(sizex / 2), int(sizey / 2))
         self.hour_hand = hour_hand
         self.minute_hand = minute_hand
         self.second_hand = second_hand
         self.console_out = console_out
-        self.update_interval = (
-            update_interval if update_interval != 0 else (1 if self.second_hand else 30)
-        )
         self.run_once = run_once
         self.offsetx = offsetx
-        self.time = Time()
         self.theme = 0
         self.default_themes = [
             {
@@ -178,7 +148,6 @@ class Clock:
         )
 
     def loop(self):
-        colored = False
         try:
             with display.open() as disp:
                 button_pressed = False
@@ -275,6 +244,7 @@ class Clock:
                 for x in range(self.radius * 2):
                     line = line + (
                         "."
+                        # TODO image is unknown! Dead Code
                         if image[(self.center[1] - self.radius) + y][
                             (self.center[0] - self.radius) + x
                         ]