Revert of Shape Detection: Implement FaceDetection on Mac as out-of-process service

services/shape_detection/face_detection_provider_impl.cc

Index: services/shape_detection/face_detection_provider_impl.cc
diff --git a/services/shape_detection/face_detection_provider_impl.cc b/services/shape_detection/face_detection_provider_impl.cc
deleted file mode 100644
index e552ed06f9208de1730fd12c99fb3043ad354013..0000000000000000000000000000000000000000
--- a/services/shape_detection/face_detection_provider_impl.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2017 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.
-
-#include "services/shape_detection/face_detection_provider_impl.h"
-
-namespace shape_detection {
-
-void FaceDetectionProviderImpl::CreateFaceDetection(
-    shape_detection::mojom::FaceDetectionRequest request,
-    shape_detection::mojom::FaceDetectorOptionsPtr options) {
-  DLOG(ERROR) << "Platform not supported for Face Detection Service.";
-}
-
-}  // namespace shape_detection