Hide routine language if not required

adminer/drivers/mysql.inc.php

@@ -768,7 +768,7 @@ if (!defined("DRIVER")) {
 	* @return array
 	*/
 	function routine_languages() {
-		return array("SQL");
+		return array(); // "SQL" not required
 	}
 	
 	/** Begin transaction

adminer/drivers/sqlite.inc.php

@@ -475,6 +475,10 @@ if (isset($_GET["sqlite"]) || isset($_GET["sqlite2"])) {
 		// not supported by SQLite
 	}
 	
+	function routine_languages() {
+		// not supported by SQLite
+	}
+	
 	function begin() {
 		return queries("BEGIN");
 	}