## Description:
More fixes flagged by pylint 2 that don't hurt to have before the actual pylint 2 upgrade (which I'll submit soon).
## Checklist:
- [ ] The code change is tested and works locally.
- [x] Local tests pass with `tox`. **Your PR cannot be merged unless tests pass**
* Google Maps location sharing device tracker.
* Use ConfigType and change debug logging to _LOGGER.debug()
* Update to locationsharinglib 0.3.0
* Remove unneeded lines.
* Use hass.config.path for config file location.
* Fixed remarks
* Return boolean in setup_scanner
