del w3 "Payment Req api"

Author: mikehoffms

microsoft-edge/progressive-web-apps-chromium/how-to/digital-goods-api.md

@@ -297,5 +297,4 @@ MDN:
 * [Intl.NumberFormat](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/NumberFormat)
 
 W3C:
-* [Payment Request API](https://www.w3.org/TR/payment-request/)
-   * [PaymentCurrencyAmount dictionary](https://www.w3.org/TR/payment-request/#dom-paymentcurrencyamount)
+* [PaymentCurrencyAmount dictionary](https://www.w3.org/TR/payment-request/#dom-paymentcurrencyamount)