[libc++abi] Remove empty source file cxa_unexpected.cpp

GitOrigin-RevId: 9c795481e2e318a906cc7826aa0144aaaa8cd3dd
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d5251ac..42bec42 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,7 +7,6 @@
   cxa_exception_storage.cpp
   cxa_guard.cpp
   cxa_handlers.cpp
-  cxa_unexpected.cpp
   cxa_vector.cpp
   cxa_virtual.cpp
   # C++ STL files
diff --git a/src/cxa_unexpected.cpp b/src/cxa_unexpected.cpp
deleted file mode 100644
index bbfa668..0000000
--- a/src/cxa_unexpected.cpp
+++ /dev/null
@@ -1,22 +0,0 @@
-//===------------------------- cxa_unexpected.cpp -------------------------===//
-//
-// Part of the LLVM Project, 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
-//
-//===----------------------------------------------------------------------===//
-
-#include <exception>
-#include "cxxabi.h"
-#include "cxa_exception.h"
-
-namespace __cxxabiv1
-{
-
-extern "C"
-{
-
-}
-
-}  // namespace __cxxabiv1
-