Apply CSS on seller setup wizard.

functions.php

<?php

CSS in seller setup wizard
function hide_email_from_seller_setup_wizard() {
    ?>
        <style>
/*             Add your own CSS here within the <style> tag*/
            .dokan-seller-setup-form table tr:last-child{
                 display: none !important;
            }
            
        </style>
    <?php
}
add_action( 'dokan_setup_wizard_styles', 'hide_email_from_seller_setup_wizard');

?>