This PR also removes unused code related to adding points via drawing tools and related tests. We don't full excise drawing tools code since it's quite certain they will be needed in the future, but the backend impl will have changed so much by then it doesn't make sense to carry the old serialization code forward.
This PR also removes unused code related to adding points via drawing tools and related tests. We don't full excise drawing tools code since it's quite certain they will be needed in the future, but the backend impl will have changed so much by then it doesn't make sense to carry the old serialization code forward.
@DaoyuT or @nwkotto PTAL?