add new pairQC Task + clean up photonhbt

Author: Stefanie Mrozinski

PWGEM/PhotonMeson/Tasks/CMakeLists.txt

@@ -196,7 +196,7 @@ o2physics_add_dpl_workflow(emcal-mc-task
                     PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGEMPhotonMesonCore
                     COMPONENT_NAME Analysis)
 
-o2physics_add_dpl_workflow(event-normalization-task
-                    SOURCES eventNormalizationTask.cxx
-                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore
+o2physics_add_dpl_workflow(pair-qc-task
+                    SOURCES pairQcTask.cxx
+                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGEMPhotonMesonCore
                     COMPONENT_NAME Analysis)