https://www.oxfordlearnersdictionaries.com/us/definition/eng... - " to stop providing money for something, especially something official"
which is the same as:
https://www.oxfordlearnersdictionaries.com/us/definition/ame... - "to officially end a law, a system, or an institution"
You can see where if you and I are having this conversation, probably there's a lot of other people like you and I who are talking past each other because the word is being either incorrectly deployed by proponents – or the proponents genuinely want to eliminate police departments.