refactor: remove forum and topic feature chains

inc/helpers/aksrt-header-menu-buttons.php

@@ -34,7 +34,7 @@ if (!function_exists('aksrt_get_new_add_actions')) :
 	/**
 	 * Build multi-type publish actions.
 	 *
-	 * @param string[] $types post|topic|product
+	 * @param string[] $types Currently only post is supported.
 	 * @return list<array{type:string,url:string,label:string,icon:string}>
 	 */
 	function aksrt_get_new_add_actions(array $types = ['post']): array {