docs: improve docstrings
Summary
Improved some docstrings and removed unused files
Checklist
-
Have the changes been tested? -
Behavior if other services fail
-
-
Have tests (e.g. unit tests) been adapted or new ones written? -
Has the changelog been updated? -
Have the dependencies on other services and their versions been documented?
-
-
Have all changes to configuration variables such as env vars been documented? -
Are all pipelines completed successfully? -
Was a review completed by someone else?