message: Remove stale comment on `reactor::Runner`
diff: @@ -184,9 +184,6 @@ where
  R: Reactor,
  {
  /// Creates a new runner from a given configuration.
  - ///
  - /// The `id` is used to identify the runner during logging when debugging and can be chosen
  - /// arbitrarily.
  #[inline]
  pub async fn new(cfg: R::Config) -> Result<Self, R::Error> {
  let (span, scheduler) = Self::init();
  