removed finder use clause as it is not used

src/Composer/Console/Application.php

@@ -18,7 +18,6 @@ use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Output\ConsoleOutput;
 use Symfony\Component\Console\Formatter\OutputFormatter;
 use Symfony\Component\Console\Formatter\OutputFormatterStyle;
-use Symfony\Component\Finder\Finder;
 use Composer\Command;
 use Composer\Command\Helper\DialogHelper;
 use Composer\Composer;