Remove backward-compatibility-0200-Revert-Finally-remove-string_piece.h.patch

BUG=b:313545923
TEST=CQ

Cq-Depend: chromium:5740578,chromium:5736178,chromium:5740455
Change-Id: I1e47f175ee2b52a7ee8068eee91b0ad55e7c67fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/libchrome/+/5740382
Commit-Queue: Ryo Hashimoto <hashimoto@chromium.org>
Tested-by: Ryo Hashimoto <hashimoto@chromium.org>
Reviewed-by: Grace Cham <hscham@chromium.org>
diff --git a/libchrome_tools/patches/backward-compatibility-0200-Revert-Finally-remove-string_piece.h.patch b/libchrome_tools/patches/backward-compatibility-0200-Revert-Finally-remove-string_piece.h.patch
deleted file mode 100644
index 6c3df71..0000000
--- a/libchrome_tools/patches/backward-compatibility-0200-Revert-Finally-remove-string_piece.h.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 19eb9d604b35aca22899fc067d63cf334cf3ebda Mon Sep 17 00:00:00 2001
-From: Ryo Hashimoto <hashimoto@chromium.org>
-Date: Wed, 24 Jul 2024 14:20:07 +0900
-Subject: [PATCH] Revert "Finally remove string_piece.h"
-
-This reverts commit 2485241e6ef4638f85823b78bc339211785807c9.
----
- base/strings/string_piece.h | 21 +++++++++++++++++++++
- 1 file changed, 21 insertions(+)
- create mode 100644 base/strings/string_piece.h
-
-diff --git a/base/strings/string_piece.h b/base/strings/string_piece.h
-new file mode 100644
-index 0000000000..89e5e04ba7
---- /dev/null
-+++ b/base/strings/string_piece.h
-@@ -0,0 +1,21 @@
-+// Copyright 2012 The Chromium Authors
-+// Use of this source code is governed by a BSD-style license that can be
-+// found in the LICENSE file.
-+//
-+// This header is deprecated. Use `std::string_view` and <string_view> instead.
-+//
-+// TODO(crbug.com/40506050): Remove uses of this header.
-+
-+#ifndef BASE_STRINGS_STRING_PIECE_H_
-+#define BASE_STRINGS_STRING_PIECE_H_
-+
-+#include <string_view>
-+
-+namespace base {
-+
-+using StringPiece = std::string_view;
-+using StringPiece16 = std::u16string_view;
-+
-+}  // namespace base
-+
-+#endif  // BASE_STRINGS_STRING_PIECE_H_
--- 
-2.45.2.1089.g2a221341d9-goog
-