code: public void delete(String tableName) {
  		try {
  			if (extensionsDao.isTableExists()) {
  				List<Extensions> extensions = extensionsDao.queryByExtension(
  						EXTENSION_NAME, tableName);
  				for (Extensions extension : extensions) {
  					delete(extension.getTableName(), extension.getColumnName());
  				}
  			}
  		} catch (SQLException e) {
  			throw new GeoPackageException(
  					"Failed to delete RTree Index extensions for table. GeoPackage: "
  							+ geoPackage.getName() + ", Table: " + tableName, e);
  		}
  
  	}
docs: Delete all RTree Index extensions for the table. Drops the triggers,
  RTree tables, and deletes the extensions.
  
  @param tableName
  table name
  
  @since 3.2.0