Apply suggestions from code review

Author: kratman

.github/workflows/build_wheels.yml

@@ -26,16 +26,6 @@ jobs:
         with:
           python-version: 3.12
 
-      - name: Get number of cores on Windows
-        id: get_num_cores
-        shell: python
-        run: |
-          from os import environ, cpu_count
-          num_cpus = cpu_count()
-          output_file = environ['GITHUB_OUTPUT']
-          with open(output_file, "a", encoding="utf-8") as output_stream:
-              output_stream.write(f"count={num_cpus}\n")
-
       - name: Build wheels on Windows
         run: pipx run cibuildwheel --output-dir wheelhouse
         env:
@@ -46,7 +36,6 @@ jobs:
             VCPKG_FEATURE_FLAGS=manifests,registries
             CMAKE_GENERATOR="Visual Studio 17 2022"
             CMAKE_GENERATOR_PLATFORM=x64
-            CMAKE_BUILD_PARALLEL_LEVEL=${{ steps.get_num_cores.outputs.count }}
           CIBW_ARCHS: AMD64
           CIBW_BEFORE_BUILD: python -m pip install setuptools delvewheel # skip CasADi and CMake
           CIBW_REPAIR_WHEEL_COMMAND: delvewheel repair --add-path C:/Windows/System32 -w {dest_dir} {wheel}