code: public boolean deleteLink(String featureTable, String tileTable) {
  
  		boolean deleted = false;
  
  		try {
  			if (featureTileLinkDao.isTableExists()) {
  				FeatureTileLinkKey id = new FeatureTileLinkKey(featureTable,
  						tileTable);
  				deleted = featureTileLinkDao.deleteById(id) > 0;
  			}
  		} catch (SQLException e) {
  			throw new GeoPackageException(
  					"Failed to delete feature tile link for GeoPackage: "
  							+ geoPackage.getName() + ", Feature Table: "
  							+ featureTable + ", Tile Table: " + tileTable, e);
  		}
  
  		return deleted;
  	}
docs: Delete the feature tile table link
  
  @param featureTable
  feature table
  @param tileTable
  tile table
  @return true if deleted