Fix CS

Author: nicolas-grekas

Tests/Command/XliffLintCommandTest.php

@@ -15,9 +15,6 @@
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Tester\CommandTester;
-use Symfony\Component\Console\Helper\HelperSet;
-use Symfony\Component\Console\Input\InputDefinition;
-use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\Translation\Command\XliffLintCommand;
 
 /**