Move services code brought in from Mojo to live under //third_party.

mojo/services/public/sky/BUILD.gn

Index: mojo/services/public/sky/BUILD.gn
diff --git a/mojo/services/public/sky/BUILD.gn b/mojo/services/public/sky/BUILD.gn
deleted file mode 100644
index 4776aa392b59ecf8bd48f60a41191b92cea417ac..0000000000000000000000000000000000000000
--- a/mojo/services/public/sky/BUILD.gn
+++ /dev/null
@@ -1,21 +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.
-
-action_foreach("sky") {
-  script = "../../../public/sky/convert_amd_modules_to_sky.py"
-  sources = [
-    "../js/application.js",
-    "../js/service_provider.js",
-    "../js/shell.js",
-  ]
-  outputs = [
-    "$target_gen_dir/{{source_name_part}}.sky",
-  ]
-  args = [
-    "--input",
-    "{{source}}",
-    "--output",
-    rebase_path(target_gen_dir, root_build_dir) + "/{{source_name_part}}.sky",
-  ]
-}