Remove wm_flow, browser, nesting_app examples

examples/nesting_app/BUILD.gn

Index: examples/nesting_app/BUILD.gn
diff --git a/examples/nesting_app/BUILD.gn b/examples/nesting_app/BUILD.gn
deleted file mode 100644
index 67107a1edc3f887c79d7fadbb64f6bba5dda8b81..0000000000000000000000000000000000000000
--- a/examples/nesting_app/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("//mojo/public/mojo_application.gni")
-
-mojo_native_application("nesting_app") {
-  sources = [
-    "nesting_app.cc",
-  ]
-
-  deps = [
-    "//base",
-    "//examples/bitmap_uploader",
-    "//examples/window_manager:bindings",
-    "//mojo/application",
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/cpp/utility",
-    "//mojo/services/geometry/interfaces",
-    "//mojo/services/navigation/interfaces",
-    "//mojo/services/view_manager/cpp",
-    "//skia",
-    "//url",
-  ]
-}