remove unused pubsub client

services/real-time/app/coffee/DocumentUpdaterController.coffee

@@ -11,7 +11,7 @@ MESSAGE_SIZE_LOG_LIMIT = 1024 * 1024 # 1Mb
 module.exports = DocumentUpdaterController =
 	# DocumentUpdaterController is responsible for updates that come via Redis
 	# Pub/Sub from the document updater.
-	rclientList: RedisClientManager.createClientList(settings.redis.pubsub, settings.redis.unusedpubsub)
+	rclientList: RedisClientManager.createClientList(settings.redis.pubsub)
 
 	listenForUpdatesFromDocumentUpdater: (io) ->
 		logger.log {rclients: @rclientList.length}, "listening for applied-ops events"

services/real-time/app/coffee/WebsocketLoadBalancer.coffee

@@ -7,7 +7,7 @@ HealthCheckManager = require "./HealthCheckManager"
 
 module.exports = WebsocketLoadBalancer =
 	rclientPubList: RedisClientManager.createClientList(Settings.redis.pubsub)
-	rclientSubList: RedisClientManager.createClientList(Settings.redis.pubsub, Settings.redis.unusedpubsub)
+	rclientSubList: RedisClientManager.createClientList(Settings.redis.pubsub)
 
 	emitToRoom: (room_id, message, payload...) ->
 		if !room_id?