Remove redundant comment

shutdown.go

@@ -65,7 +65,6 @@ type shutdowner struct {
 // In practice this means Shutdowner.Shutdown should not be called from an
 // fx.Invoke, but from a fx.Lifecycle.OnStart hook.
 func (s *shutdowner) Shutdown(opts ...ShutdownOption) error {
- // Apply the options to shutdowner
  for _, opt := range opts {
  opt.apply(s)
  }