[libunwind] [libunwind][CMake] Remove LIBUNWIND_BUILD_32_BITS which has been an error for 3 years (PR #110175)

[Louis Dionne via cfe-commits]

https://github.com/ldionne created https://github.com/llvm/llvm-project/pull/110175

None

>From 77b8da53c769106ac75e818c4ea8a37b6e927a4f Mon Sep 17 00:00:00 2001
From: Louis Dionne <ldionne.2 at gmail.com>
Date: Thu, 26 Sep 2024 17:48:24 -0400
Subject: [PATCH] [libunwind][CMake] Remove LIBUNWIND_BUILD_32_BITS which has
 been an error for 3 years

---
 libunwind/CMakeLists.txt | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt
index 28d67b0fef92cc..29af9545b32087 100644
--- a/libunwind/CMakeLists.txt
+++ b/libunwind/CMakeLists.txt
@@ -31,11 +31,6 @@ include(CMakeDependentOption)
 include(HandleCompilerRT)
 
 # Define options.
-option(LIBUNWIND_BUILD_32_BITS "Build 32 bit multilib libunwind. This option is not supported anymore when building the runtimes. Please specify a full triple instead." ${LLVM_BUILD_32_BITS})
-if (LIBUNWIND_BUILD_32_BITS)
-  message(FATAL_ERROR "LIBUNWIND_BUILD_32_BITS is not supported anymore when building the runtimes, please specify a full triple instead.")
-endif()
-
 option(LIBUNWIND_ENABLE_CET "Build libunwind with CET enabled." OFF)
 option(LIBUNWIND_ENABLE_GCS "Build libunwind with GCS enabled." OFF)
 option(LIBUNWIND_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON)