If you created a custom taxonomy and it is showing in the table and you want to remove the link, then use the code below.

Remove Custom Taxonomy Link.php

/**
 * Add the following code in your functions.php or any plugin.
 */

if (!function_exists('wpt_remove_taxonomy_link')) {
    function wpt_remove_taxonomy_link()
    {
        ?>
        <script>
            jQuery(document).ready(function ($) {
                // Updated by Ibrahim Khalil
                $('[data-keyword="pa_brand"] a').contents().unwrap();

                $(document).on('your_custom_event', '[data-keyword="pa_brand"]', function () {
                    $('[data-keyword="pa_brand"] a').contents().unwrap();
                });
                $(document).on('change', 'table', function () {
                    $('[data-keyword="pa_brand"]').trigger('your_custom_event');
                });
            });
        </script>
        <?php
    }
    add_action('wp_footer', 'wpt_remove_taxonomy_link');
}