Remove unused files.

PiperOrigin-RevId: 764960951

sharing/common/BUILD

@@ -40,9 +40,3 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [],
 )
-
-cc_library(
-    name = "compatible_u8_string",
-    hdrs = ["compatible_u8_string.h"],
-    visibility = ["//visibility:public"],
-)

sharing/common/compatible_u8_string.h

@@ -1,34 +0,0 @@
-// Copyright 2024 Google LLC
-//
-// 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
-//
-//     https://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 THIRD_PARTY_NEARBY_SHARING_COMMON_COMPATIBLE_U8_STRING_H_
-#define THIRD_PARTY_NEARBY_SHARING_COMMON_COMPATIBLE_U8_STRING_H_
-
-#include <string>
-
-namespace nearby {
-namespace sharing {
-
-#if defined(__cpp_lib_char8_t)
-inline std::string GetCompatibleU8String(std::u8string str) {
-  return reinterpret_cast<const char*>(str.c_str());
-}
-#else
-inline std::string GetCompatibleU8String(std::string str) { return str; }
-#endif
-
-}  // namespace sharing
-}  // namespace nearby
-
-#endif  // THIRD_PARTY_NEARBY_SHARING_COMMON_COMPATIBLE_U8_STRING_H_