Remove outdatet options from path/private config

[grassesi]

Describe the task. It can be a feature, documentation, etc.

This is a follow up to #1757 and #1061. The outdated data_path_* (replaced by data_paths) model_path and run_path (replaced by path_shared_working_dir) options should be removed from all private configs and any mentioning in the code.

Hedgedoc URL, if you are keeping notes, plots, logs in hedgedoc.

No response

Area

• datasets, data readers, data preparation and transfer
• model
• science
• infrastructure and engineering
• evaluation, export and visualization
• documentation

[grassesi]

this should not be merged before beginning of march