/**
 * Remove 'What is PayPal?' and logo
 */

add_filter('woocommerce_gateway_icon', 'cc_remove_what_is_paypal', 10, 2);

function cc_remove_what_is_paypal($icon_html, $gateway_id) {

  if('paypal' == $gateway_id) {
    $icon_html = '';
  }

  return $icon_html;

}