MC-40729: Disable Web Setup wizard

- Restored files causing major version increase

Author: svera

app/code/Magento/Backend/Model/Setup/MenuBuilder.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Backend\Model\Setup;
+
+use Magento\Backend\Model\Menu;
+use Magento\Backend\Model\Menu\Builder;
+use Magento\Framework\App\DocRootLocator;
+
+/**
+ * Plugin class to remove web setup wizard from menu if application root is pub/ and no setup url variable is specified.
+ * @api
+ * @since 100.1.0
+ * @deprecated Starting from Magento 2.3.6 Web Setup Wizard is deprecated
+ */
+class MenuBuilder
+{
+    /**
+     * @var DocRootLocator
+     * @since 100.1.0
+     */
+    protected $docRootLocator;
+
+    /**
+     * MenuBuilder constructor.
+     *
+     * @param DocRootLocator $docRootLocator
+     */
+    public function __construct(DocRootLocator $docRootLocator)
+    {
+        $this->docRootLocator = $docRootLocator;
+    }
+
+    /**
+     * Removes 'Web Setup Wizard' from the menu if doc root is pub and no setup url variable is specified.
+     *
+     * @param Builder $subject
+     * @param Menu $menu
+     * @return Menu
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     * @since 100.1.0
+     */
+    public function afterGetResult(Builder $subject, Menu $menu)
+    {
+        if ($this->docRootLocator->isPub()) {
+            $menu->remove('Magento_Backend::setup_wizard');
+        }
+        return $menu;
+    }
+}

app/code/Magento/Backend/etc/adminhtml/di.xml

@@ -137,6 +137,9 @@
             <argument name="isIncludesAvailable" xsi:type="boolean">false</argument>
         </arguments>
     </type>
+    <type name="Magento\Backend\Model\Menu\Builder">
+        <plugin name="SetupMenuBuilder" type="Magento\Backend\Model\Setup\MenuBuilder" />
+    </type>
     <type name="Magento\Config\Model\Config\Structure\ElementVisibility\ConcealInProduction">
         <arguments>
             <argument name="configs" xsi:type="array">