Print Spotify connection message only once

To avoid the terminal output getting garbled when ncspot is reconnecting

src/main.rs

@@ -168,6 +168,7 @@ async fn main() {
 
     let event_manager = EventManager::new(cursive.cb_sink().clone());
 
+    println!("Connecting to Spotify..");
     let spotify = spotify::Spotify::new(event_manager.clone(), credentials, cfg.clone());
 
     let queue = Arc::new(queue::Queue::new(spotify.clone(), cfg.clone()));

src/spotify.rs

@@ -178,7 +178,6 @@ impl Spotify {
         )
         .expect("Could not create cache");
         debug!("opening spotify session");
-        println!("Connecting to Spotify..");
         Session::connect(session_config, credentials, Some(cache)).await
     }