remove the cluster key as well

services/real-time/config/settings.defaults.coffee

@@ -7,7 +7,6 @@ settings =
 			key_schema:
 				clientsInProject: ({project_id}) -> "clients_in_project:#{project_id}"
 				connectedUser: ({project_id, client_id})-> "connected_user:#{project_id}:#{client_id}"
-			cluster: process.env['REDIS_CLUSTER_HOSTS']
 
 		documentupdater:
 			host: process.env['DOC_UPDATER_REDIS_HOST'] or process.env['REDIS_HOST'] or "localhost"
@@ -15,13 +14,11 @@ settings =
 			password: process.env["DOC_UPDATER_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
 			key_schema:
 				pendingUpdates: ({doc_id}) -> "PendingUpdates:#{doc_id}"
-			cluster: process.env['REDIS_CLUSTER_HOSTS']
 
 		websessions: 			
 			host: process.env['WEB_REDIS_HOST'] or process.env['REDIS_HOST'] or "localhost"
 			port: process.env['WEB_REDIS_PORT'] or process.env['REDIS_PORT'] or "6379"
 			password: process.env["WEB_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			cluster: process.env['REDIS_CLUSTER_HOSTS']
 
 	internal:
 		realTime: