MAGETWO-66100: Remove usages of unserialize in module Magento/Setup

Author: Mykola Palamar

lib/internal/Magento/Framework/App/ObjectManager/ConfigLoader/Compiled.php

@@ -20,11 +20,6 @@ class Compiled implements ConfigLoaderInterface
      */
     private $configCache = [];
 
-    /**
-     * @var SerializerInterface
-     */
-    private $serializer;
-
     /**
      * {inheritdoc}
      */

lib/internal/Magento/Framework/ObjectManager/Config/Compiled.php

@@ -6,7 +6,6 @@
 namespace Magento\Framework\ObjectManager\Config;
 
 use Magento\Framework\ObjectManager\ConfigInterface;
-use Magento\Framework\Serialize\SerializerInterface;
 use Magento\Framework\ObjectManager\ConfigCacheInterface;
 use Magento\Framework\ObjectManager\RelationsInterface;
 
@@ -30,11 +29,6 @@ class Compiled implements ConfigInterface
      */
     private $preferences;
 
-    /**
-     * @var SerializerInterface
-     */
-    private $serializer;
-
     /**
      * Constructor
      *

setup/src/Magento/Setup/Module/Di/Compiler/Config/Writer/Filesystem.php

@@ -9,8 +9,6 @@
 
 use Magento\Framework\App\Filesystem\DirectoryList;
 use Magento\Setup\Module\Di\Compiler\Config\WriterInterface;
-use Magento\Framework\Serialize\SerializerInterface;
-use Magento\Framework\Serialize\Serializer\Serialize;
 
 class Filesystem implements WriterInterface
 {
@@ -19,11 +17,6 @@ class Filesystem implements WriterInterface
      */
     private $directoryList;
 
-    /**
-     * @var SerializerInterface
-     */
-    private $serializer;
-
     /**
      * Constructor
      *
@@ -62,19 +55,4 @@ private function initialize()
             mkdir($this->directoryList->getPath(DirectoryList::GENERATED_METADATA));
         }
     }
-
-    /**
-     * Get serializer
-     *
-     * @return SerializerInterface
-     * @deprecated
-     */
-    private function getSerializer()
-    {
-        if (null === $this->serializer) {
-            $this->serializer = \Magento\Framework\App\ObjectManager::getInstance()
-                ->get(Serialize::class);
-        }
-        return $this->serializer;
-    }
 }