Plugins: Move lang() to Adminer\Plugin

plugins/menu-links.php

@@ -6,7 +6,7 @@
 * @license https://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 * @license https://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
 */
-class AdminerMenuLinks {
+class AdminerMenuLinks extends Adminer\Plugin {
 	private $menu;
 
 	/** @param ''|'table'|'select'|'auto' $menu see config() for explanation */
@@ -65,10 +65,6 @@ class AdminerMenuLinks {
 		return true;
 	}
 
-	protected function lang($idf, $number = null) {
-		return Adminer\lang_format(Adminer\idx(self::$translations[Adminer\LANG], $idf) ?: $idf, $number);
-	}
-
 	protected static $translations = array(
 		'cs' => array(
 			'Menu table links' => 'Odkazy na tabulky v menu',