Removed old satis setup parts

references easybib/issues#1168

`/vol/satis-sync/files/` does no longer need to be created in the cookbooks - it is now created in [the cronjob](https://github.com/easybib/satis-s3/blob/master/bin/cronjob.sh#L21). This way, we have only one file where we have to specify the storage path