show better names on telegram message

entities/arena.py

@@ -69,10 +69,7 @@ class BrSimArena():
     self.weapons.append(weapon)
 
   def get_players(self):
-    res= []
-    for p in self.players:
-      res.append({'id': p.get_id(), 'name': p.get_name()})
-    return res
+    return self.players
 
   def get_weapons(self):
     res= []