Fix fatal errors

Author: jyggen

src/Console/Command/PurgeCommand.php

@@ -16,8 +16,6 @@
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use Symfony\Component\Console\Input\InputArgument;
-use Composer\Json\JsonFile;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\Finder\SplFileInfo;