removed unnecessary forget callback
removed unnecessary forget callback

alhowaidi/cvmfsNDN,cvmfs/cvmfs,trshaffer/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,btovar/cvmfs,reneme/cvmfs,cvmfs/cvmfs,Moliholy/cvmfs,trshaffer/cvmfs,cvmfs-testing/cvmfs,trshaffer/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,bbockelm/cvmfs,cvmfs/cvmfs,Moliholy/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,cvmfs-testing/cvmfs,btovar/cvmfs,djw8605/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,MicBrain/cvmfs,cvmfs-testing/cvmfs,cvmfs/cvmfs,ruvolof/cvmfs,cvmfs-testing/cvmfs,reneme/cvmfs,cvmfs-testing/cvmfs,cvmfs/cvmfs,btovar/cvmfs,reneme/cvmfs,btovar/cvmfs,ruvolof/cvmfs,alhowaidi/cvmfsNDN,trshaffer/cvmfs,MicBrain/cvmfs,ruvolof/cvmfs,Moliholy/cvmfs,djw8605/cvmfs,Moliholy/cvmfs,DrDaveD/cvmfs,Moliholy/cvmfs,DrDaveD/cvmfs,ruvolof/cvmfs,djw8605/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,MicBrain/cvmfs,Gangbiao/cvmfs,djw8605/cvmfs,alhowaidi/cvmfsNDN,bbockelm/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,btovar/cvmfs,MicBrain/cvmfs,cvmfs/cvmfs,bbockelm/cvmfs,MicBrain/cvmfs,bbockelm/cvmfs,ruvolof/cvmfs,Gangbiao/cvmfs,bbockelm/cvmfs