removed a bad function

GameMap.py

@@ -23,10 +23,6 @@ class GameMap:
         else:
             raise IndexError("Mark added beyond preset max values (max_x - " + self.max_size_x + ", max_y - " + self.max_size_y + ".")
     
-    
-    def equal(what, to):
-        what = to
-    
         
     def clear_map(self):
         self.data = {}