Remove unneeded penguin attribute

houdini/handlers/login/world.py

@@ -48,5 +48,3 @@ async def handle_login(p, credentials: WorldCredentials):
     p.data = data
     p.login_key = credentials.login_key
     await p.send_xt('l')
-
-    p.age = (datetime.now() - p.data.registration_date).days

houdini/penguin.py

@@ -17,7 +17,6 @@ class Penguin(Spheniscidae):
         self.room = None
         self.waddle = None
         self.table = None
-        self.age = 0
 
         self.data = None
         self.login_key = None