remove deprecated ElementLinkVector usage
Basically the same as this https://gitlab.cern.ch/atlas/athenaprivate1/merge_requests/12210#note_1690146 but for the master branch
Former-commit-id: 9ee46528d8f8b6a4af33343605c92a804681af98
Basically the same as this https://gitlab.cern.ch/atlas/athenaprivate1/merge_requests/12210#note_1690146 but for the master branch
Former-commit-id: 9ee46528d8f8b6a4af33343605c92a804681af98