Fix code style

Author: convenient

lib/internal/Magento/Framework/GraphQlSchemaStitching/GraphQlReader.php

@@ -7,7 +7,6 @@
 
 namespace Magento\Framework\GraphQlSchemaStitching;
 
-use Magento\Framework\Component\ComponentRegistrar;
 use Magento\Framework\Config\FileResolverInterface;
 use Magento\Framework\Config\ReaderInterface;
 use Magento\Framework\GraphQlSchemaStitching\GraphQlReader\TypeMetaReaderInterface as TypeReaderComposite;
@@ -47,11 +46,6 @@ class GraphQlReader implements ReaderInterface
      */
     private $defaultScope;
 
-    /**
-     * @var ComponentRegistrar
-     */
-    private static $componentRegistrar;
-
     /**
      * @param FileResolverInterface $fileResolver
      * @param TypeReaderComposite $typeReader
@@ -166,7 +160,6 @@ public function read($scope = null) : array
         return $results;
     }
 
-
     /**
      * Get the minimum amount of additional types so that performance is improved
      *