Disable Shizaproject due to being unusable

src/NzbDrone.Core/Indexers/Definitions/Shizaproject.cs

@@ -17,6 +17,7 @@ using NzbDrone.Core.Parser.Model;
 
 namespace NzbDrone.Core.Indexers.Definitions
 {
+    [Obsolete("Site unusable due to lack of new releases")]
     public class Shizaproject : TorrentIndexerBase<NoAuthTorrentBaseSettings>
     {
         public override string Name => "ShizaProject";