Remove redundant volume naming

[dataprolet]

Docker compose always attaches the projects name to the volume so doing this inside the compose is redundant.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
4 out of 5 committers have signed the CLA.

✅ dataprolet
✅ sieren
✅ FlintyLemming
✅ vikte
❌ jotka
_{You have signed the CLA already but the status is still pending? Let us recheck it.}