ACP2E-4064: PayflowPro saved card token failed on payment

Author: soklymeach

app/code/Magento/Paypal/Model/Payflow/Transparent.php

@@ -275,29 +275,6 @@ protected function createPaymentToken(Payment $payment, $token)
         $this->getPaymentExtensionAttributes($payment)->setVaultPaymentToken($paymentToken);
     }
 
-    /**
-     * Generates CC expiration date by year and month provided in payment.
-     *
-     * @param Payment $payment
-     * @return string
-     * @throws \Exception
-     */
-    private function getExpirationDate(Payment $payment)
-    {
-        $expDate = new \DateTime(
-            $payment->getCcExpYear()
-            . '-'
-            . $payment->getCcExpMonth()
-            . '-'
-            . '01'
-            . ' '
-            . '00:00:00',
-            new \DateTimeZone('UTC')
-        );
-        $expDate->add(new \DateInterval('P1M'));
-        return $expDate->format('Y-m-d 00:00:00');
-    }
-
     /**
      * Returns payment extension attributes instance.
      *