Revert of Introduce the Blink NotificationService, move permission checks there

third_party/WebKit/public/platform/modules/notifications/notification_service.mojom

Index: third_party/WebKit/public/platform/modules/notifications/notification_service.mojom
diff --git a/third_party/WebKit/public/platform/modules/notifications/notification_service.mojom b/third_party/WebKit/public/platform/modules/notifications/notification_service.mojom
deleted file mode 100644
index b9c5d3e57024706959ed9d65546f96f4694974ad..0000000000000000000000000000000000000000
--- a/third_party/WebKit/public/platform/modules/notifications/notification_service.mojom
+++ /dev/null
@@ -1,15 +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.
-
-module blink.mojom;
-
-import "third_party/WebKit/public/platform/modules/permissions/permission_status.mojom";
-
-// Service through which Blink can request notifications to be shown, closed or
-// retrieved from the embedder.
-interface NotificationService {
-  // Synchronously retrieves the permission status for |origin|. Required to
-  // be synchronous due to the Notification.permission JavaScript getter.
-  [Sync] GetPermissionStatus(string origin) => (PermissionStatus status);
-};