[PWGEM/Dilepton] remove unnecessary file (#14086)

Author: dsekihat

PWGEM/Dilepton/Tasks/CMakeLists.txt

@@ -45,11 +45,6 @@ o2physics_add_dpl_workflow(table-reader-barrel
                     PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2::DetectorsBase O2Physics::PWGDQCore
                     COMPONENT_NAME Analysis)
 
-o2physics_add_dpl_workflow(bc-counter
-                    SOURCES bcCounter.cxx
-                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore
-                    COMPONENT_NAME Analysis)
-
 o2physics_add_dpl_workflow(event-qc
                     SOURCES eventQC.cxx
                     PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::EventFilteringUtils