Minor fixes

MediaBrowser.Controller/Channels/IDisableMediaSourceDisplay.cs

@@ -1,6 +1,4 @@
-#pragma warning disable CA1040 // Avoid empty interfaces
-
-namespace MediaBrowser.Controller.Channels
+namespace MediaBrowser.Controller.Channels
 {
     /// <summary>
     /// Disable media source display.
@@ -11,4 +9,4 @@ namespace MediaBrowser.Controller.Channels
     public interface IDisableMediaSourceDisplay
     {
     }
-}
+}