doc: docstrings cleanup

examples/eater-usage.py

@@ -18,9 +18,6 @@ class MyPlayer(InformedPlayer):
     """
 
     def _say(self, text: str):
-        """
-        docstring
-        """
         print(self.name + ' says: ' + text)
 
     def start_episode(self, world: EaterWorld):

wumpus/wumpus.py

@@ -248,10 +248,6 @@ class WumpusWorld(GridWorld):
 
     @classmethod
     def random(cls, **kwargs):
-        """
-        docstring
-        """
-        
         size = kwargs.get('size', 4)
         seed = kwargs.get('seed', None)
         pitProb = kwargs.get('pitProb', .2)