remove python install

.github/workflows/build_check.yml

@@ -128,10 +128,6 @@ jobs:
             .cache/pip
             .platformio
           key: hw-cache
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.10'
       - name: Install PlatformIO
         shell: bash
         run: |