remove go-simple-db references from go-slog

- ref: https://github.com/GigaOM/legacy-pro/issues/3806
- particularly this [comment](https://github.com/GigaOM/legacy-pro/issues/3806#issuecomment-49641387)
- accompanying config: https://github.com/GigaOM/gigaom/pull/4903

This plugin is go-slog, and this enqueue is for an item in the go-slog plugin. I'm not sure it should be named `go-loggly.js` or ID'd `go-loggly`.