Revert of Introduce the devices Mojo app

device/devices_app/BUILD.gn

Index: device/devices_app/BUILD.gn
diff --git a/device/devices_app/BUILD.gn b/device/devices_app/BUILD.gn
deleted file mode 100644
index fa9bd908c9fa982a3db7369ca984efc4610a7430..0000000000000000000000000000000000000000
--- a/device/devices_app/BUILD.gn
+++ /dev/null
@@ -1,65 +0,0 @@
-# Copyright 2015 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")
-
-source_set("lib") {
-  sources = [
-    "devices_app.cc",
-    "devices_app.h",
-  ]
-
-  deps = [
-    "//device/core",
-    "//device/usb",
-    "//device/usb/public/cpp",
-    "//device/usb/public/interfaces",
-    "//third_party/mojo/src/mojo/public/cpp/bindings",
-    "//url",
-  ]
-
-  public_deps = [
-    "//base",
-    "//mojo/application/public/cpp",
-    "//mojo/application/public/interfaces",
-  ]
-}
-
-mojo_native_application("devices") {
-  sources = [
-    "main.cc",
-  ]
-
-  deps = [
-    ":lib",
-    "//base",
-    "//mojo/application/public/cpp",
-  ]
-
-  public_deps = [
-    ":lib",
-  ]
-}
-
-mojo_native_application("apptests") {
-  output_name = "devices_apptests"
-
-  testonly = true
-
-  sources = [
-    "devices_apptest.cc",
-  ]
-
-  deps = [
-    "//base",
-    "//mojo/application/public/cpp:test_support",
-  ]
-
-  public_deps = [
-    ":lib",
-    "//device/usb/public/interfaces",
-  ]
-
-  data_deps = [ ":devices" ]
-}