Revert "fix: check for property to be present"

This reverts commit 953d125.

cartridges/int_adyen_SFRA/cartridge/controllers/Adyen.js

@@ -16,6 +16,7 @@ server.get('ShowConfirmation', server.middleware.https, adyen.showConfirmation);
  *  Confirm payment status after receiving redirectResult from Adyen
  */
 server.post('PaymentsDetails', server.middleware.https, consentTracking.consent, adyen.paymentsDetails);
+server.get('Sessions', server.middleware.https, adyen.callCreateSession);
 server.get('ShippingMethods', server.middleware.https, adyen.callGetShippingMethods);
 server.post('SelectShippingMethod', server.middleware.https, adyen.callSelectShippingMethod);