[Discord] Update to handle TimeoutError in GuessGame.start method

Update to handle TimeoutError instead of asyncio.TimeoutError for asyncio.wait_for in GuessGame.start method

Discord/cogs/games.py

@@ -342,8 +342,7 @@ async def start(self):
 				await asyncio.wait_for(
 					self.guessed.wait(), timeout = self.time_limit
 				)
-			except asyncio.TimeoutError:
-				# Replace with TimeoutError in Python 3.11
+			except TimeoutError:
 				self.awaiting_guess = False
 				await self.timeout()