To hide commission meta in woocommerce PDF invoice

functions.php

<?php// do not copy this line of code

add_filter('wf_pklist_modify_meta_data', 'webtoffee_modify_meta_data', 10, 2);

function webtoffee_modify_meta_data($meta) {

    // Change the array keys according to the needs

    $keys = array(
        'wcb2bsa_item_commission'
    );

    foreach ($meta as $id => $value) {

        if (in_array($id, $keys) && $id !== 0) {

            if (isset($meta[$id])) {
                unset($meta[$id]);
            }
        } else {
            $meta[$id] = $value . '<br />';
        }
    }

    return $meta;
}