CI: Remove LLVM for now

Author: bashtage

.github/workflows/build-wheels.yml

@@ -59,10 +59,6 @@ jobs:
         with:
           platforms: all
 
-      - name: Setup LLVM for Windows ARM64
-        if: ${{ matrix.os == 'windows-11-arm' }}
-        uses: ./.github/windows_arm64_steps
-
       - name: Build wheels (Default)
         uses: pypa/cibuildwheel@v3.1
         if: (matrix.python_impl != 'Pyodide') && (matrix.os != 'macos-13')