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diff --git a/vendor/symfony/finder/Shell/Shell.php b/vendor/symfony/finder/Shell/Shell.php
deleted file mode 100644
index 65ede47c5..000000000
--- a/vendor/symfony/finder/Shell/Shell.php
+++ /dev/null
@@ -1,101 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Finder\Shell;
-
-@trigger_error('The '.__NAMESPACE__.'\Shell class is deprecated since Symfony 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
-
-/**
- * @author Jean-François Simon <contact@jfsimon.fr>
- *
- * @deprecated since 2.8, to be removed in 3.0.
- */
-class Shell
-{
-    const TYPE_UNIX = 1;
-    const TYPE_DARWIN = 2;
-    const TYPE_CYGWIN = 3;
-    const TYPE_WINDOWS = 4;
-    const TYPE_BSD = 5;
-
-    /**
-     * @var string|null
-     */
-    private $type;
-
-    /**
-     * Returns guessed OS type.
-     *
-     * @return int
-     */
-    public function getType()
-    {
-        if (null === $this->type) {
-            $this->type = $this->guessType();
-        }
-
-        return $this->type;
-    }
-
-    /**
-     * Tests if a command is available.
-     *
-     * @param string $command
-     *
-     * @return bool
-     */
-    public function testCommand($command)
-    {
-        if (!function_exists('exec')) {
-            return false;
-        }
-
-        // todo: find a better way (command could not be available)
-        $testCommand = 'which ';
-        if (self::TYPE_WINDOWS === $this->type) {
-            $testCommand = 'where ';
-        }
-
-        $command = escapeshellcmd($command);
-
-        exec($testCommand.$command, $output, $code);
-
-        return 0 === $code && count($output) > 0;
-    }
-
-    /**
-     * Guesses OS type.
-     *
-     * @return int
-     */
-    private function guessType()
-    {
-        $os = strtolower(PHP_OS);
-
-        if (false !== strpos($os, 'cygwin')) {
-            return self::TYPE_CYGWIN;
-        }
-
-        if (false !== strpos($os, 'darwin')) {
-            return self::TYPE_DARWIN;
-        }
-
-        if (false !== strpos($os, 'bsd')) {
-            return self::TYPE_BSD;
-        }
-
-        if (0 === strpos($os, 'win')) {
-            return self::TYPE_WINDOWS;
-        }
-
-        return self::TYPE_UNIX;
-    }
-}