Remove //services/sky

examples/sky_compositor_app/BUILD.gn

-# 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("//mojo/public/mojo_application.gni")
-
-mojo_native_application("sky_compositor_app") {
-  sources = [
-    "sky_compositor_app.cc",
-  ]
-
-  deps = [
-    "//base",
-    "//mojo/application",
-    "//mojo/common",
-    "//mojo/converters/geometry",
-    "//mojo/environment:chromium",
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/environment",
-    "//mojo/public/cpp/system",
-    "//mojo/public/cpp/utility",
-    "//mojo/services/geometry/public/interfaces",
-    "//mojo/services/view_manager/public/cpp",
-    "//services/sky/compositor",
-    "//skia",
-  ]
-}