_I recommend reviewing this with whitespace changes disabled._
This fixes violations of [SwiftLint's `implicit_getter` rule][0] by
removing explicit getters when an implicit one would do.
[0]: https://realm.github.io/SwiftLint/implicit_getter.html
notImplemented() ends up forwarding to fatalError() anyway, but before
it does so it flushes our logs. That's probably good to have. I think
most of these come from the default implementations Xcode provides for
you with a fix-it.
