Hide Contact Work Details fields

<?php
function gh_hide_contact_work_details_info() {
    echo '
        /* Hide H2 Work Details */
        .top-left-square h2:nth-of-type(2) {
            display: none;
        }

        .top-left-square .gh-rows-and-columns:nth-of-type(2) {
            display: none;
        }
    ';
}
add_action('admin_head', 'gh_hide_contact_work_details_info');