code: public static void deleteSchemaExtension(GeoPackageCore geoPackage) {
  
  		SchemaExtension schemaExtension = new SchemaExtension(geoPackage);
  		if (schemaExtension.has()) {
  			schemaExtension.removeExtension();
  		}
  
  	}
docs: Delete the Schema extension
  
  @param geoPackage
  GeoPackage
  @since 3.2.0