Adapted ref files to removal of GaudiAlgorithm in LHCb packers
Goes together with LHCb!3192 (merged), Boole!357 (merged), Gauss!763 (merged), Brunel!1166 (merged), Phys!978 (merged), Analysis!812 (merged), DaVinci!571 (merged), Noether!15 (merged) and Moore!968 (merged)
Built on top of !2509 (merged)