[Sync] Move the last things out of core/.

components/sync/core/data_type_debug_info_listener.cc

Index: components/sync/core/data_type_debug_info_listener.cc
diff --git a/components/sync/core/data_type_debug_info_listener.cc b/components/sync/core/data_type_debug_info_listener.cc
deleted file mode 100644
index 283589428d8e9f33b62f957be2cc6cc5a69a570f..0000000000000000000000000000000000000000
--- a/components/sync/core/data_type_debug_info_listener.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 "components/sync/core/data_type_debug_info_listener.h"
-
-namespace syncer {
-
-DataTypeConfigurationStats::DataTypeConfigurationStats()
-    : model_type(UNSPECIFIED) {}
-
-DataTypeConfigurationStats::DataTypeConfigurationStats(
-    const DataTypeConfigurationStats& other) = default;
-
-DataTypeConfigurationStats::~DataTypeConfigurationStats() {}
-
-}  // namespace syncer