Remove Python setup from upload_data workflow

Removed Python setup step for Google Sheets API.

.github/workflows/upload_data.yml

@@ -10,12 +10,7 @@ jobs:
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
-
-      - name: Setup Python (for Google Sheets API)
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.x'
-
+        
       - name: Install dependencies
         run: |
           pip install gspread google-auth