pdoc3 cleanup (#1379)

Author: slayoo

.github/workflows/tests+artifacts+pypi.yml

@@ -96,7 +96,6 @@ jobs:
         python -m pip install --upgrade pip
         # TODO #1160 https://github.com/pylint-dev/pylint/issues/9099
         pip install "pylint<3.0.0" nbqa
-        pip install pdoc3 # (pdoc3 for checking the .github/workflows/pdoc_index_workaround.py)
         pip install -r tests/devops_tests/requirements.txt
         pip install -e ./examples[tests]
         pip install -e .[tests]