Fixed removed song message

src/NadekoBot/Modules/Music/Classes/MusicControls.cs

@@ -137,7 +137,7 @@ namespace NadekoBot.Modules.Music.Classes
 
                         var index = playlist.IndexOf(CurrentSong);
                         if (index != -1)
-                            RemoveSongAt(index);
+                            RemoveSongAt(index, true);
 
                         OnStarted(this, CurrentSong);
                         await CurrentSong.Play(audioClient, cancelToken);
@@ -273,14 +273,14 @@ namespace NadekoBot.Modules.Music.Classes
             });
         }
 
-        public void RemoveSongAt(int index)
+        public void RemoveSongAt(int index, bool silent = false)
         {
             actionQueue.Enqueue(() =>
             {
                 if (index < 0 || index >= playlist.Count)
                     return;
                 var song = playlist.ElementAtOrDefault(index);
-                if (playlist.Remove(song))
+                if (playlist.Remove(song) && !silent)
                 {
                     SongRemoved(song);
                 }