WordPress at a glance
function is not described

wp_ajax_delete_link() WP 3.1.0

Ajax handler for deleting a link.

No Hooks.

Return

Nothing (null).

Usage

wp_ajax_delete_link();

Code of wp ajax delete link: wp-admin/includes/ajax-actions.php VER 5.0.3

<?php
function wp_ajax_delete_link() {
	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;

	check_ajax_referer( "delete-bookmark_$id" );
	if ( !current_user_can( 'manage_links' ) )
		wp_die( -1 );

	$link = get_bookmark( $id );
	if ( !$link || is_wp_error( $link ) )
		wp_die( 1 );

	if ( wp_delete_link( $id ) )
		wp_die( 1 );
	else
		wp_die( 0 );
}