93% of our users have an Android version modern enough that the setting is not available there anyway.
From the remaining 7%, probably only a tiny percentage use that setting.
Removing simplifies our code and makes it easier to maintain.
- Run Checkstyle with gradle to make it easier for users
- No longer needs different configuration for new code
- Exclude current violations
- Fix some violations that somehow couldn't be specified in the exclusion file
- Print SpotBugs/Lint/Checkstly violations in GitHub format
- Then the CI run gets annotated on the web UI