Remove Chrome's own version of libaddressinput in favor of the upstream.

third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_metadata.h

Index: third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_metadata.h
diff --git a/third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_metadata.h b/third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_metadata.h
deleted file mode 100644
index cbe72db52b395d3afbbbc40156b1d506a4b5d32a..0000000000000000000000000000000000000000
--- a/third_party/libaddressinput/chromium/cpp/include/libaddressinput/address_metadata.h
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright (C) 2014 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef I18N_ADDRESSINPUT_ADDRESS_METADATA_H_
-#define I18N_ADDRESSINPUT_ADDRESS_METADATA_H_
-
-#include <libaddressinput/address_field.h>
-
-#include <string>
-
-namespace i18n {
-namespace addressinput {
-
-// Checks whether |field| is a required field for |region_code|. Returns false
-// also if no data could be found for region_code. Note: COUNTRY is always
-// required.
-bool IsFieldRequired(AddressField field, const std::string& region_code);
-
-// Checks whether |field| is a field that is used for |region_code|. Returns
-// false also if no data could be found for region_code. Note: COUNTRY is always
-// used.
-bool IsFieldUsed(AddressField field, const std::string& region_code);
-
-}  // namespace addressinput
-}  // namespace i18n
-
-#endif  // I18N_ADDRESSINPUT_ADDRESS_METADATA_H_