[PWGLF] Function to process generated V0s in sigma0 tasks + minor fixes (#11216)

Co-authored-by: ALICE Action Bot <alibuild@cern.ch>

Author: gianniliveraro

PWGLF/DataModel/LFSigmaTables.h

@@ -36,7 +36,6 @@ DECLARE_SOA_COLUMN(SigmaOPAngle, sigmaOPAngle, float);
 DECLARE_SOA_COLUMN(SigmaCentrality, sigmaCentrality, float);
 DECLARE_SOA_COLUMN(SigmaRunNumber, sigmaRunNumber, int);
 DECLARE_SOA_COLUMN(SigmaTimestamp, sigmaTimestamp, uint64_t);
-DECLARE_SOA_COLUMN(SigmaIR, sigmaIR, float);
 
 } // namespace sigma0Core
 
@@ -47,8 +46,7 @@ DECLARE_SOA_TABLE(Sigma0Cores, "AOD", "SIGMA0CORES",
                   sigma0Core::SigmaOPAngle,
                   sigma0Core::SigmaCentrality,
                   sigma0Core::SigmaRunNumber,
-                  sigma0Core::SigmaTimestamp,
-                  sigma0Core::SigmaIR);
+                  sigma0Core::SigmaTimestamp);
 
 // For Photon extra info
 namespace sigmaPhotonExtra