Remove some rtc hacks in the GN build.

remoting/base/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.
 
 static_library("base") {
   sources = [
     "auth_token_util.cc",
     "auth_token_util.h",
     "auto_thread.cc",
     "auto_thread.h",
@@ skipping 73 matching lines @@
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 
   forward_dependent_configs_from = [
     "//base",
     "//net",
     "//remoting/proto",
     "//third_party/protobuf:protobuf_lite",
   ]
-
-  # TODO(GYP) This config should be a direct_dependent_config of 
-  # //third_party/webrtc/modules/desktop_capture so we shouldn't have to
-  # include it here. Remove this line when the direct_dependent_config is set.
-  configs += [ "//third_party/webrtc:common_inherited_config" ]
 }