Fix redis connection timeout

We don't need to start it at this point
And it could lead to issues when nodejs is compiling peertube using sync
calls

server/middlewares/cache/cache.ts

@@ -1,10 +1,6 @@
 import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
-import { Redis } from '../../lib/redis'
 import { ApiCache, APICacheOptions } from './shared'
 
-// Ensure Redis is initialized
-Redis.Instance.init()
-
 const defaultOptions: APICacheOptions = {
   excludeStatus: [
     HttpStatusCode.FORBIDDEN_403,