Remove stray redis imports.

services/web/app/coffee/Features/ServerAdmin/AdminController.coffee

@@ -6,8 +6,6 @@ Project = require('../../models/Project').Project
 DocumentUpdaterHandler = require('../DocumentUpdater/DocumentUpdaterHandler')
 Settings = require('settings-sharelatex')
 util = require('util')
-redis = require("redis-sharelatex")
-rclient = redis.createClient(Settings.redis.web)
 RecurlyWrapper = require('../Subscription/RecurlyWrapper')
 SubscriptionHandler = require('../Subscription/SubscriptionHandler')
 projectEntityHandler = require('../Project/ProjectEntityHandler')

services/web/app/coffee/Features/User/UserSessionsManager.coffee

@@ -1,5 +1,4 @@
 Settings = require('settings-sharelatex')
-redis = require('redis-sharelatex')
 logger = require("logger-sharelatex")
 Async = require('async')
 _ = require('underscore')

services/web/app/coffee/infrastructure/Server.coffee

@@ -7,7 +7,6 @@ crawlerLogger = require('./CrawlerLogger')
 expressLocals = require('./ExpressLocals')
 Router = require('../router')
 metrics.inc("startup")
-redis = require("redis-sharelatex")
 UserSessionsRedis = require('../Features/User/UserSessionsRedis')
 
 sessionsRedisClient = UserSessionsRedis.client()