Merge branch 'Remove_MA27' into '21.0'
Fix compilation faiure in 21.0-mc16d branch
Remove MA27 and clean up private member variables
See merge request atlas/athenaprivate1!11334
Edited by Walter Lampl
Fix compilation faiure in 21.0-mc16d branch
Remove MA27 and clean up private member variables
See merge request atlas/athenaprivate1!11334