AthDerivation: delete obsolete project
We do not use the AthDerivation project anymore in main. Derivations are produced with the full Athena project. If needed the project can be restored from git history.
GitLab jobs artifacts no longer stored forever as of Monday, November 4th 08:30h. Further information under https://cern.ch/otg0152576
We do not use the AthDerivation project anymore in main. Derivations are produced with the full Athena project. If needed the project can be restored from git history.