WordPress at a glance
action is not described

delete_link action-hook . WP 2.0.0

Fires before a link is deleted.

Usage

add_action( 'delete_link', 'action_function_name_9820' );
function action_function_name_9820( $link_id ){
	// action...
}
$link_id(int)
ID of the link to delete.

Where the hook is called

wp_delete_link()
wp-admin/includes/bookmark.php 96
do_action( 'delete_link', $link_id );

Where the hook is used (in WP core)

Does not used.