code: public void removeModel(UUID modelId) {
          WekaThreadSafeScorer newWekaThreadSafeScorer = null;
          WekaThreadSafeScorer oldWekaThreadSafeScorer = quickSwitch(modelId, newWekaThreadSafeScorer);
  
          WekaUtils.closeSilently(oldWekaThreadSafeScorer);
      }
docs: Removes the given model from the managed models.
  
  <p> If the model does not exist no exception will be thrown.
  
  @param modelId the id of the model to remove.