Revert "My first commit of codes"

This reverts commit a6e5a69348.

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

@@ -1,30 +0,0 @@
-<?php
-
-namespace PhpParser\Node\Expr;
-
-use PhpParser\Node\Expr;
-
-abstract class BinaryOp extends Expr
-{
-    /** @var Expr The left hand side expression */
-    public $left;
-    /** @var Expr The right hand side expression */
-    public $right;
-
-    /**
-     * Constructs a bitwise and node.
-     *
-     * @param Expr  $left       The left hand side expression
-     * @param Expr  $right      The right hand side expression
-     * @param array $attributes Additional attributes
-     */
-    public function __construct(Expr $left, Expr $right, array $attributes = array()) {
-        parent::__construct(null, $attributes);
-        $this->left = $left;
-        $this->right = $right;
-    }
-
-    public function getSubNodeNames() {
-        return array('left', 'right');
-    }
-}