[PWGEM] add new pairQC Task + clean up photonhbt - #17984

[PWGEM] add new pairQC Task + clean up photonhbt#17984

mhemmer-cern merged 4 commits into

AliceO2Group:masterAliceO2Group/O2Physics:masterfrom

Steffimro:pcm-pair-qa-hbt-cleanup-2Steffimro/O2Physics:pcm-pair-qa-hbt-cleanup-2Copy head branch name to clipboard