Also disable the custom llvm install for test runs

Author: DefaultRyan

.github/workflows/ci.yml

@@ -104,11 +104,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - id: setup-llvm
-        name: Set up LLVM (MSVC)
-        uses: ./.github/actions/setup-llvm-msvc
-        if: matrix.compiler == 'clang-cl'
-
       - name: Fetch cppwinrt executables
         if: matrix.arch != 'arm64'
         uses: actions/download-artifact@v4
@@ -142,7 +137,7 @@ jobs:
           $target_version = "1.2.3.4"
           $props = "Configuration=$target_configuration,Platform=$target_platform,CppWinRTBuildVersion=$target_version"
           if ("${{ matrix.compiler }}" -eq "clang-cl") {
-            $props += ",Clang=1,PlatformToolset=LLVM_v143,LLVMInstallDir=${{ steps.setup-llvm.outputs.llvm-path }}"
+            $props += ",Clang=1,PlatformToolset=ClangCl"
           }
           Add-Content $env:GITHUB_ENV "msbuild_config_props=/p:$props"