Sweeping !42540 from 21.2 to master. AT: Adding AsgDeadHVCellRemovalTool for electron and photon clusters (!42602) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-2d39bf4fd2e-master into master Apr 15, 2021

AT: Adding AsgDeadHVCellRemovalTool for electron and photon clusters

See merge request !42540 (merged)