newsupernova/app/code/Magefan/Blog/view/adminhtml/layout/blog_post_grid.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © 2015 Ihor Vansach (ihor@magefan.com). All rights reserved.
 * See LICENSE.txt for license details (http://opensource.org/licenses/osl-3.0.php).
 *
 * Glory to Ukraine! Glory to the heroes!
 */
-->
<layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/layout_generic.xsd">
    <update handle="formkey"/>
    <update handle="blog_post_grid_block"/>
    <container name="root">
        <block class="Magento\Backend\Block\Widget\Grid\Container" name="blog.post.container" template="Magento_Backend::widget/grid/container/empty.phtml"/>
    </container>
</layout>