Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/nikic/php-parser/lib/PhpParser/Node/Expr/ClosureUse.php

@@ -1,30 +0,0 @@
-<?php
-
-namespace PhpParser\Node\Expr;
-
-use PhpParser\Node\Expr;
-
-class ClosureUse extends Expr
-{
-    /** @var string Name of variable */
-    public $var;
-    /** @var bool Whether to use by reference */
-    public $byRef;
-
-    /**
-     * Constructs a closure use node.
-     *
-     * @param string      $var        Name of variable
-     * @param bool        $byRef      Whether to use by reference
-     * @param array       $attributes Additional attributes
-     */
-    public function __construct($var, $byRef = false, array $attributes = array()) {
-        parent::__construct(null, $attributes);
-        $this->var = $var;
-        $this->byRef = $byRef;
-    }
-
-    public function getSubNodeNames() {
-        return array('var', 'byRef');
-    }
-}