Remove calculation of ncpus Emscripten llvm build

Author: mcbarton

.github/workflows/emscripten.yml

@@ -124,12 +124,6 @@ jobs:
       run: |
         echo "BUILD_TYPE=Release" >> $GITHUB_ENV
         echo "CODE_COVERAGE=0" >> $GITHUB_ENV
-        os="${{ matrix.os }}"
-        if [[ "${os}" == "macos"* ]]; then
-          echo "ncpus=$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
-        else
-          echo "ncpus=$(nproc --all)" >> $GITHUB_ENV
-        fi
 
     - name: Setup default Build Type on Windows
       if: ${{ runner.os == 'windows' && steps.cache.outputs.cache-hit != 'true' }}