fix: GridWorld random method bug

wumpus/gridworld.py

@@ -640,12 +640,8 @@ class Eater(Agent):
 
 
 class EaterWorld(GridWorld):
-    """
-    docstring
-    """
-
     @classmethod
-    def random(cls, map_desc: str = None, food_amount: float = .1, **kwargs) -> 'EaterWorld':
+    def random(cls, **kwargs) -> 'EaterWorld':
         """Create a new world from the map description and randomly place food until the given percentage of the free space is filled. If the food amount is greater or equal than 1 then it's interpreted as the number of food objects to include.
 
         Args: