Email hook remove Billing title and change Hallo First Name + Last Name

Shopkit Email hook remove Billing title and change Hallo First Name + Last Name

//customer processing email hook remove Billing title
add_filter( 'tzn_email_header_customer_billing_title', 'custom__customer_billing_title', 10, 4 );
function custom__customer_billing_title(){
    return "";
}
//Change Hallo First Name + Last Name
add_filter('tzn_email_header_customer_name', 'mg_emaiL_header_customer_name', 10, 2);
function mg_emaiL_header_customer_name($name, $order) {
    if ($order) {
        $mg_fn_name = $order->get_billing_first_name();
        $mg_ln_name = $order->get_billing_last_name();
        if ($mg_fn_name) {
            $name = $mg_fn_name." ".$mg_ln_name;
        }
    }
    return $name;
}