cleanup code

.github/workflows/build-wheels.yml

@@ -26,7 +26,7 @@ jobs:
           git config user.name "GitHub Actions"
           git config user.email "[email protected]"
 
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
           python-version: "3.9"