use cfg of spotify object

TODO:
- apply this to other single config values that are passed directly, e.g. in the
  statusbar
- use a more appropriate object to hold `cfg`

src/main.rs

@@ -224,10 +224,7 @@ fn main() {
         &cfg,
     ));
 
-    let queue = Arc::new(queue::Queue::new(
-        spotify.clone(),
-        cfg.notify.unwrap_or(false),
-    ));
+    let queue = Arc::new(queue::Queue::new(spotify.clone()));
 
     #[cfg(feature = "mpris")]
     let mpris_manager = Arc::new(mpris::MprisManager::new(spotify.clone(), queue.clone()));