PaymentHandler: Remove PaymentAppManifest and PaymentAppOption.

third_party/WebKit/Source/modules/payments/PaymentAppManifest.idl

Index: third_party/WebKit/Source/modules/payments/PaymentAppManifest.idl
diff --git a/third_party/WebKit/Source/modules/payments/PaymentAppManifest.idl b/third_party/WebKit/Source/modules/payments/PaymentAppManifest.idl
deleted file mode 100644
index 400e6677b3e5f9222fb7366d3bcce532e106e012..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/payments/PaymentAppManifest.idl
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// https://w3c.github.io/webpayments-payment-apps-api/#idl-def-paymentappmanifest
-
-dictionary PaymentAppManifest {
-    required DOMString name;
-    DOMString? icon;
-    required sequence<PaymentAppOption> options;
-};