Revert of [Payments] move //components/payments/content/*.mojom files to //components/payments/mojom

components/payments/mojom/BUILD.gn

Index: components/payments/mojom/BUILD.gn
diff --git a/components/payments/mojom/BUILD.gn b/components/payments/mojom/BUILD.gn
deleted file mode 100644
index 9268a078a11a9f4c7a8d2ce530b9990183768c8d..0000000000000000000000000000000000000000
--- a/components/payments/mojom/BUILD.gn
+++ /dev/null
@@ -1,33 +0,0 @@
-# Copyright 2017 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.
-
-import("//mojo/public/tools/bindings/mojom.gni")
-
-mojom("mojom") {
-  sources = [
-    "payment_request.mojom",
-  ]
-}
-
-mojom("mojom_parser") {
-  sources = [
-    "payment_manifest_parser.mojom",
-  ]
-
-  public_deps = [
-    "//url/mojo:url_mojom_gurl",
-  ]
-}
-
-mojom("mojom_payment_app") {
-  sources = [
-    "payment_app.mojom",
-  ]
-
-  public_deps = [
-    ":mojom",
-    "//mojo/common:common_custom_types",
-    "//url/mojo:url_mojom_gurl",
-  ]
-}