Delete the ViewManager and WindowManager services.

mojo/services/view_manager/interfaces/BUILD.gn

Index: mojo/services/view_manager/interfaces/BUILD.gn
diff --git a/mojo/services/view_manager/interfaces/BUILD.gn b/mojo/services/view_manager/interfaces/BUILD.gn
deleted file mode 100644
index 8d687a09f2b64b1fc3fa840ae16f4a4d07e1c952..0000000000000000000000000000000000000000
--- a/mojo/services/view_manager/interfaces/BUILD.gn
+++ /dev/null
@@ -1,25 +0,0 @@
-# Copyright 2014 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("//build/module_args/mojo.gni")
-import("$mojo_sdk_root/mojo/public/tools/bindings/mojom.gni")
-
-mojom("interfaces") {
-  sources = [
-    "animations.mojom",
-    "view_manager.mojom",
-    "view_manager_constants.mojom",
-  ]
-
-  import_dirs = [ get_path_info("../../", "abspath") ]
-
-  mojo_sdk_deps = [ "mojo/public/interfaces/application" ]
-
-  deps = [
-    "../../geometry/interfaces",
-    "../../input_events/interfaces",
-    "../../native_viewport/interfaces",
-    "../../surfaces/interfaces:surface_id",
-  ]
-}