Revert of Move //device/generic_sensor to be part of the internal implementation of the Device Service.

services/device/public/cpp/generic_sensor/BUILD.gn

Index: services/device/public/cpp/generic_sensor/BUILD.gn
diff --git a/services/device/public/cpp/generic_sensor/BUILD.gn b/services/device/public/cpp/generic_sensor/BUILD.gn
deleted file mode 100644
index 351ea5c9d0de1e0c2405ba59a039f1701a9b991a..0000000000000000000000000000000000000000
--- a/services/device/public/cpp/generic_sensor/BUILD.gn
+++ /dev/null
@@ -1,21 +0,0 @@
-# Copyright 2016 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.
-
-source_set("generic_sensor") {
-  sources = [
-    "platform_sensor_configuration.cc",
-    "platform_sensor_configuration.h",
-    "sensor_reading.cc",
-    "sensor_reading.h",
-  ]
-
-  public_deps = [
-    "//services/device/public/interfaces:generic_sensor",
-  ]
-
-  deps = [
-    "//base",
-    "//device/base/synchronization",
-  ]
-}