I don’t give WP credentials, expecially now with new GDPR rules.
I just used a snippet to hide message via CSS in admin area.
In functions.php of your CHILD theme:
add_action('admin_head', 'custom_admin_css');
function custom_admin_css() {
echo '<style>
brizy-notice-css-class {display: none;}
</style>';
}
Inspect the brizy notice into your admin area to get the correct css class.
This is not a solution, just a temporary workaround until developer fix this.