Remove the keyboard from the browser demo.

examples/window_manager/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("//build/config/ui.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 if (use_aura) {
   mojo_native_application("window_manager") {
     output_name = "example_window_manager"
 
     sources = [
       "window_manager.cc",
     ]
 
     deps = [
       ":bindings",
       "//base",
-      "//examples/keyboard:bindings",
       "//mojo/application",
       "//mojo/converters/geometry",
       "//mojo/converters/input_events",
       "//mojo/public/c/gles2",
       "//mojo/public/cpp/bindings",
       "//mojo/public/cpp/utility",
       "//mojo/services/geometry/public/interfaces",
       "//mojo/services/input_events/public/interfaces",
       "//mojo/services/navigation/public/interfaces",
       "//mojo/services/view_manager/public/cpp",
@@ skipping 12 matching lines @@
 mojom("bindings") {
   sources = [
     "debug_panel_host.mojom",
     "window_manager.mojom",
   ]
   deps = [
     "//mojo/services/geometry/public/interfaces",
     "//mojo/services/network/public/interfaces",
   ]
 }