Respond to the deletion of taxonomy vocabularies.
Modules implementing this hook can respond to the deletion of taxonomy vocabularies from the database.
$vocabulary: A taxonomy vocabulary object.
Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.
function hook_taxonomy_vocabulary_delete($vocabulary) {
db_delete('mytable')
->condition('vid', $vocabulary->vid)
->execute();
}