Refactor keybindings configuration and remove obsolete JSON files

rats.py

@@ -5,6 +5,7 @@ import os
 import json
 
 from engine import maze, sdl2 as engine, controls, graphics, unit_manager, scoring
+from units import points
 
 class MiceMaze(
     controls.KeyBindings,
@@ -118,7 +119,7 @@ class MiceMaze(
 
     def run(self):
         self.render_engine.mainloop(update=self.update_maze, bg_update=self.draw_maze)
-
+ 
     # ==================== GAME OVER LOGIC ====================
     
     def game_over(self):
@@ -137,7 +138,7 @@ class MiceMaze(
             self.game_end = (True, False)
             self.game_status = "paused"
             return True
-        if not count_rats:
+        if not count_rats and not any(isinstance(unit, points.Point) for unit in self.units.values()):
             self.render_engine.stop_sound()
             self.render_engine.play_sound("VICTORY.WAV")
             self.render_engine.play_sound("WELLDONE.WAV", tag="effects")