tmp.php

<?php

/**
 * Hide recaptcha column after contact-form-submissions has determined the columns for that form.
 */
add_action('manage_wpcf7s_posts_columns', function($columns) {
    if (in_array('g-recaptcha-response', $columns)) {
        unset($columns[array_search('g-recaptcha-response', $columns)]);
    }

    return $columns;
}, 1000);