[llvm] [WebAssembly] Remove an unused using decl (NFC) (PR #138432)

[Kazu Hirata via llvm-commits]

https://github.com/kazutakahirata created https://github.com/llvm/llvm-project/pull/138432

The "using" decl seems to be unused since it was first introduced in:

  commit a8e1135baa9074f7c088c8e1999561f88699b56e
  Author: Heejin Ahn <aheejin at gmail.com>
  Date:   Thu Jan 9 22:36:10 2025 -0800


>From 66245672c63e32423af1b3ae2564731d9456291d Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu at google.com>
Date: Sat, 3 May 2025 18:22:45 -0700
Subject: [PATCH] [WebAssembly] Remove an unused using decl (NFC)

The "using" decl seems to be unused since it was first introduced in:

  commit a8e1135baa9074f7c088c8e1999561f88699b56e
  Author: Heejin Ahn <aheejin at gmail.com>
  Date:   Thu Jan 9 22:36:10 2025 -0800
---
 llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
index 873d2c59dc18c..cc96d7b2293f4 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
@@ -401,7 +401,6 @@ using WebAssembly::WasmEnableEH;
 using WebAssembly::WasmEnableEmEH;
 using WebAssembly::WasmEnableEmSjLj;
 using WebAssembly::WasmEnableSjLj;
-using WebAssembly::WasmUseLegacyEH;
 
 static void basicCheckForEHAndSjLj(TargetMachine *TM) {