Remove testing tokio task

That fires 'GetPeers' requests at our running 'zebra seed'.

zebrad/Cargo.toml

@@ -39,6 +39,3 @@ tracing-error = "0.1.2"
 [dev-dependencies]
 abscissa_core = { version = "0.5", features = ["testing"] }
 once_cell = "1.4"
-
-[features]
-dos = []

zebrad/src/commands/seed.rs

@@ -147,22 +147,6 @@ impl SeedCmd {
 
         info!("peer_set became ready");
 
-        #[cfg(feature = "dos")]
-        use std::time::Duration;
-
-        #[cfg(feature = "dos")]
-        // Fire GetPeers requests at ourselves, for testing.
-        tokio::spawn(async move {
-            let mut interval_stream = tokio::time::interval(Duration::from_secs(1));
-            let mut svc = buffered_svc.clone();
-
-            loop {
-                interval_stream.next().await;
-
-                let _ = svc.call(Request::Peers);
-            }
-        });
-
         let eternity = future::pending::<()>();
         eternity.await;