MAGETWO-88965: Magento\Test\Legacy\LayoutTest is failing for B2B

- Fixed static test;

Author: Aliaksei Yakimovich2

app/code/Magento/Backend/Block/Widget/Grid/Column/Multistore.php

@@ -16,15 +16,6 @@
  */
 class Multistore extends \Magento\Backend\Block\Widget\Grid\Column
 {
-    /**
-     * @param \Magento\Backend\Block\Template\Context $context
-     * @param array $data
-     */
-    public function __construct(\Magento\Backend\Block\Template\Context $context, array $data = [])
-    {
-        parent::__construct($context, $data);
-    }
-
     /**
      * Get header css class name
      *