Drop the static LLVM libraries on Windows CI

.github/workflows/win.yml

@@ -179,29 +179,6 @@ jobs:
         if: steps.cache-openssl-dlls.outputs.cache-hit != 'true'
         run: .\etc\win-ci\build-openssl.ps1 -BuildTree deps\openssl -Version 3.1.0 -Dynamic
 
-  x86_64-windows-llvm-libs:
-    runs-on: windows-2022
-    steps:
-      - name: Enable Developer Command Prompt
-        uses: ilammy/msvc-dev-cmd@0b201ec74fa43914dc39ae48a89fd1d8cb592756 # v1.13.0
-
-      - name: Cache LLVM
-        id: cache-llvm-libs
-        uses: actions/cache@v4
-        with:
-          path: llvm
-          key: llvm-libs-${{ env.CI_LLVM_VERSION }}-msvc
-
-      - name: Build LLVM
-        if: steps.cache-llvm-libs.outputs.cache-hit != 'true'
-        run: |
-          git clone --config core.autocrlf=false -b llvmorg-${{ env.CI_LLVM_VERSION }} --depth 1 https://github.com/llvm/llvm-project.git
-          mkdir llvm-build
-          cd llvm-build
-          cmake ..\llvm-project\llvm -Thost=x64 -DLLVM_TARGETS_TO_BUILD="X86;AArch64" -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DBUILD_SHARED_LIBS=OFF -DCMAKE_FIND_USE_SYSTEM_ENVIRONMENT_PATH=OFF -DLLVM_INCLUDE_BENCHMARKS=OFF -DLLVM_INCLUDE_TESTS=OFF -DLLVM_ENABLE_ZSTD=OFF
-          cmake --build . --config Release
-          cmake "-DCMAKE_INSTALL_PREFIX=$(pwd)\..\llvm" -P cmake_install.cmake
-
   x86_64-windows-llvm-dlls:
     runs-on: windows-2022
     steps:
@@ -229,7 +206,7 @@ jobs:
         run: .\etc\win-ci\build-llvm.ps1 -BuildTree deps\llvm -Version ${{ env.CI_LLVM_VERSION }} -TargetsToBuild X86,AArch64 -Dynamic
 
   x86_64-windows-release:
-    needs: [x86_64-windows-libs, x86_64-windows-dlls, x86_64-windows-llvm-libs, x86_64-windows-llvm-dlls]
+    needs: [x86_64-windows-libs, x86_64-windows-dlls, x86_64-windows-llvm-dlls]
     uses: ./.github/workflows/win_build_portable.yml
     with:
       release: true