Update actions workflow

.forgejo/workflows/update-flake-lock.yml

@@ -52,10 +52,6 @@ jobs:
         gotify_app_token: '${{ secrets.GOTIFY_TOKEN }}'
         notification_title: '[ ${{ github.repository }}: ${{ github.workflow }} ] NixOS Flake Updated'
         notification_message: 'Build completed successfully.'
-    - if: always()
-      run:  rm -rf /.cache
-    - if: always()
-      run: rm -rf ${{ github.workspace }}
     - if: failure()
       uses:  https://git.sysctl.io/actions/gotify-action@master
       with: