Refactor scrubbing into OpenAdaptAI/OpenSanitizer

[abrichr]

Feature request

We want to refactor https://github.com/OpenAdaptAI/OpenAdapt/blob/main/openadapt/scrub.py and related into https://github.com/OpenAdaptAI/OpenSanitizer/.

Motivation

Modularity, portability, stability