code: def removeReadGroupSet(self):
          
          self._openRepo()
          dataset = self._repo.getDatasetByName(self._args.datasetName)
          readGroupSet = dataset.getReadGroupSetByName(
              self._args.readGroupSetName)
  
          def func():
              self._updateRepo(self._repo.removeReadGroupSet, readGroupSet)
          self._confirmDelete("ReadGroupSet", readGroupSet.getLocalId(), func)
docs: Removes a readGroupSet from the repo.