Remove superfluous throw new exception

src/enums/MDNodaRepository.php

@@ -351,7 +351,6 @@ private static function validateGndId(string $id, array $prefixes):string|false
             return false;
         }
         if (is_numeric(strtr($id, ['-' => '', 'X' => ''])) === false) {
-            throw new Exception($id);
             return false;
         }