Remove obsolete TODO

IRCClientProtocol.channels gets updated on the KICK, so it will naturally appear in channelsToJoin (as long as it's still in the config).

irclog.py

@@ -292,7 +292,6 @@ class IRCClientProtocol(asyncio.Protocol):
 		channelsToPart = self.channels - channels
 		channelsToJoin = channels - self.channels
 		self.channels = channels
-		#TODO Rejoin channels the bot got kicked from?
 
 		if self.connected:
 			if channelsToPart: