Remove shaped desktop support from remoting host and client.

remoting/host/desktop_shape_tracker_mac.cc

Index: remoting/host/desktop_shape_tracker_mac.cc
diff --git a/remoting/host/desktop_shape_tracker_mac.cc b/remoting/host/desktop_shape_tracker_mac.cc
deleted file mode 100644
index 1149ad0c2fcf0cc5d4cea1774407f78b030a07da..0000000000000000000000000000000000000000
--- a/remoting/host/desktop_shape_tracker_mac.cc
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2013 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 "remoting/host/desktop_shape_tracker.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "third_party/webrtc/modules/desktop_capture/desktop_capture_options.h"
-
-namespace remoting {
-
-scoped_ptr<DesktopShapeTracker> DesktopShapeTracker::Create(
-    webrtc::DesktopCaptureOptions options) {
-  return nullptr;
-}
-
-}  // namespace remoting