Delete JSON when thread deleted

inc/functions.php

@@ -959,6 +959,7 @@ function deletePost($id, $error_if_doesnt_exist=true, $rebuild_after=true) {
 			// Delete thread HTML page
 			file_unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page'], $post['id']));
 			file_unlink($board['dir'] . $config['dir']['res'] . sprintf($config['file_page50'], $post['id']));
+			file_unlink($board['dir'] . $config['dir']['res'] . sprintf('%d.json', $post['id']));
 
 			$antispam_query = prepare('DELETE FROM ``antispam`` WHERE `board` = :board AND `thread` = :thread');
 			$antispam_query->bindValue(':board', $board['uri']);