message: Remove nagbot, I'm pretty sure it is not used.
diff: @@ -48,14 +48,6 @@ pending requests for review on [the FCP dashboard](https://rfcbot.rs/).
  Documentation on rfcbot commands can be found
  [in the rfcbot repository](https://github.com/rust-lang/rfcbot-rs).
  -## nagbot
  -
  -[nagbot](https://github.com/aturon/nag-rs) is a bot that emails Rust team
  -members to nag them for reviews. Please contact
  -[Aaron Turon](https://github.com/aturon) ("aturon" on IRC) if something goes
  -wrong with the bot, or open an issue on
  -[its repo](https://github.com/aturon/nag-rs).
  -
  ## DXR
  [DXR](https://dxr.mozilla.org/rust/source/) is a cross-referenced source index
  