Do not build website with docs/day2/use_isolated_environments_old.rst

Author: richelbilderbeek

.github/workflows/create_website.yaml

@@ -40,6 +40,7 @@ jobs:
           rm -rf docs/May23
           rm -rf docs/May_24
           rm docs/day2/jupyter.md
+          rm docs/day2/use_isolated_environments_old.rst
           rm docs/day2/jupyter.rst
           rm docs/day3/matplotlib/new-matplotlib-intro.rst
           rm -rf docs/day3/not_used