Revert "My first commit of codes"

This reverts commit a6e5a69348.

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

@@ -1,34 +0,0 @@
-<?php
-
-namespace PhpParser\Node\Expr;
-
-use PhpParser\Node\Expr;
-
-/**
- * @property Expr $var  Variable
- * @property Expr $expr Expression
- */
-abstract class AssignOp extends Expr
-{
-    /** @var Expr Variable */
-    public $var;
-    /** @var Expr Expression */
-    public $expr;
-
-    /**
-     * Constructs a compound assignment operation node.
-     *
-     * @param Expr  $var        Variable
-     * @param Expr  $expr       Expression
-     * @param array $attributes Additional attributes
-     */
-    public function __construct(Expr $var, Expr $expr, array $attributes = array()) {
-        parent::__construct(null, $attributes);
-        $this->var = $var;
-        $this->expr = $expr;
-    }
-
-    public function getSubNodeNames() {
-        return array('var', 'expr');
-    }
-}