Quitar la opción pagar con “Tarjeta de crédito” en virtuemart

$url = "https://www.paypal.com/cgi-bin/webscr";
$tax_total = $db->f("order_tax") + $db->f("order_shipping_tax");
$discount_total = $db->f("coupon_discount") + $db->f("order_discount");
$post_variables = Array(
"cmd" => "_ext-enter",
"redirect_cmd" => "_xclick",
"upload" => "1",
"business" => PAYPAL_EMAIL,
"receiver_email" => PAYPAL_EMAIL,
"item_name" => $VM_LANG->_('PHPSHOP_ORDER_PRINT_PO_NUMBER').": ". $db->f("order_id"),
"order_id" => $db->f("order_id"),
"invoice" => $db->f("order_number"),
"amount" => round( $db->f("order_total")-$db->f("order_shipping"), 2),
"shipping" => sprintf("%.2f", $db->f("order_shipping")),
"currency_code" => $_SESSION['vendor_currency'],

"address_override" => "1",
"first_name" => $dbbt->f('first_name'),
"last_name" => $dbbt->f('last_name'),
"address1" => $dbbt->f('address_1'),
"address2" => $dbbt->f('address_2'),
"zip" => $dbbt->f('zip'),
"city" => $dbbt->f('city'),
"state" => $dbbt->f('state'),
"country" => $db1->f('country_2_code'),
"email" => $dbbt->f('user_email'),
"night_phone_b" => $dbbt->f('phone_1'),
"cpp_header_image" => $vendor_image_url,

"return" => SECUREURL ."index.php?option=com_virtuemart&page=checkout.result&order_id=".$db->f("order_id"),
"notify_url" => SECUREURL ."administrator/components/com_virtuemart/notify.php",
"cancel_return" => SECUREURL ."index.php",
"undefined_quantity" => "0",

"test_ipn" => PAYPAL_DEBUG,
"pal" => "NRUBJXESJTY24",
"no_shipping" => "1",
"no_note" => "1"
);
if( $page == "checkout.thankyou" ) {
$query_string = "?";
foreach( $post_variables as $name => $value ) {
$query_string .= $name. "=" . urlencode($value) ."&";
}
vmRedirect( $url . $query_string );
} else {
echo '';
echo '';

foreach( $post_variables as $name => $value ) {
echo '';
}
echo '';