Untitled

add_action('marketking_dashboard_head', function(){
    ?>
    <style type="text/css">
        .linked_product_options, #shortpostexcerpt{
            display: none;
        }
    </style>
    <script>
        jQuery(document).ready(function(){
            jQuery('.linked_product_options, #shortpostexcerpt').remove();
        });
    </script>
    <?php
});