code: func (s *Store) RemoveIndex(dataType interface{}, indexName string) error {
  	storer := newStorer(dataType)
  	return s.Bolt().Update(func(tx *bolt.Tx) error {
  		return tx.DeleteBucket(indexBucketName(storer.Type(), indexName))
  
  	})
  }
docs: // RemoveIndex removes an index from the store.