remove realtime keys in settings, no longer used

services/document-updater/config/settings.defaults.coffee

@@ -20,12 +20,6 @@ module.exports =
 			url: "http://#{process.env["PROJECT_HISTORY_HOST"] or "localhost"}:3054"
 
 	redis:
-		realtime:
-			port: process.env["REAL_TIME_REDIS_PORT"] or process.env["REDIS_PORT"] or "6379"
-			host: process.env["REAL_TIME_REDIS_HOST"] or process.env["REDIS_HOST"] or "localhost"
-			password: process.env["REAL_TIME_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			redisOptions:
-				keepAlive: 100
 
 		history:
 			port: process.env["HISTORY_REDIS_PORT"] or process.env["REDIS_PORT"] or "6379"