code: protected void removeExistingEntity(String localId) {
  		if (StringUtils.isEmpty(localId))
  			return;
  		List<Feature> listOfFeature = featureRepo.getFeatureIdById(localId);
  
  		if (CollectionUtils.isEmpty(listOfFeature))
  			return;
  		featureRepo.delete(listOfFeature);
  	}
docs: Validates current entry and removes new entry if an older item exists in
  the repo
  
  @param localId
  local repository item ID (not the precise mongoID)