ATLASRECTS-6366 : egammaMVACalib try to take directly ownership of the TH2Poly
ATLASRECTS-6366 : egammaMVACalib try to take directly ownership of the TH2Poly to avoid relying on "ROOT" autocleaning as this can lead to memory leaks .
ATLASRECTS-6366 : egammaMVACalib try to take directly ownership of the TH2Poly to avoid relying on "ROOT" autocleaning as this can lead to memory leaks .