[llvm] [bazel][NFC] Rename third_party_build/BUILD -> BUILD.bazel (PR #169709)

[Jordan Rupprecht via llvm-commits]

https://github.com/rupprecht created https://github.com/llvm/llvm-project/pull/169709

All other build files are named BUILD.bazel, not sure why this one is different.

>From 36b273bf5edd788c964cee602f5c97939806bcc1 Mon Sep 17 00:00:00 2001
From: Jordan Rupprecht <rupprecht at google.com>
Date: Wed, 26 Nov 2025 10:34:26 -0800
Subject: [PATCH 1/2] [bazel][NFC] Rename BUILD -> BUILD.bazel

---
 utils/bazel/third_party_build/BUILD | 5 -----
 1 file changed, 5 deletions(-)
 delete mode 100644 utils/bazel/third_party_build/BUILD

diff --git a/utils/bazel/third_party_build/BUILD b/utils/bazel/third_party_build/BUILD
deleted file mode 100644
index 98077a0651d9d..0000000000000
--- a/utils/bazel/third_party_build/BUILD
+++ /dev/null
@@ -1,5 +0,0 @@
-# This file is licensed under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-licenses(["notice"])

>From b0e20510526c460449ae26f4549d145a4f4bf6ff Mon Sep 17 00:00:00 2001
From: Jordan Rupprecht <rupprecht at google.com>
Date: Wed, 26 Nov 2025 10:35:00 -0800
Subject: [PATCH 2/2] Add file

---
 utils/bazel/third_party_build/BUILD.bazel | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 utils/bazel/third_party_build/BUILD.bazel

diff --git a/utils/bazel/third_party_build/BUILD.bazel b/utils/bazel/third_party_build/BUILD.bazel
new file mode 100644
index 0000000000000..98077a0651d9d
--- /dev/null
+++ b/utils/bazel/third_party_build/BUILD.bazel
@@ -0,0 +1,5 @@
+# This file is licensed under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+licenses(["notice"])