[Runtime] Remove unused SKIPIF from dotenv_overload.phpt

Author: Valmonzo

src/Symfony/Component/Runtime/Tests/phpt/dotenv_overload.phpt

@@ -1,7 +1,5 @@
 --TEST--
 Test Dotenv overload
---SKIPIF--
-<?php require dirname(__DIR__, 6).'/vendor/autoload.php'; if (4 > (new \ReflectionMethod(\Symfony\Component\Dotenv\Dotenv::class, 'bootEnv'))->getNumberOfParameters()) die('Skip because Dotenv version is too low');
 --INI--
 display_errors=1
 --FILE--