some subsonic cleanup

NzbDrone.Core/Repository/History.cs

@@ -6,7 +6,7 @@ namespace NzbDrone.Core.Repository
 {
     public class History
     {
-        [SubSonicPrimaryKey(true)]
+        [SubSonicPrimaryKey]
         public virtual int HistoryId { get; set; }
         public virtual int EpisodeId { get; set; }
         public virtual int IndexerId { get; set; }

NzbDrone.Core/Repository/Indexer.cs

@@ -10,7 +10,7 @@ namespace NzbDrone.Core.Repository
 {
     public class Indexer
     {
-        [SubSonicPrimaryKey(false)]
+        [SubSonicPrimaryKey]
         public virtual int IndexerId { get; set; }
 
         public string IndexerName { get; set; }

NzbDrone.Core/Repository/Quality/QualityProfile.cs

@@ -8,7 +8,7 @@ namespace NzbDrone.Core.Repository.Quality
 {
     public class QualityProfile
     {
-        [SubSonicPrimaryKey(true)]
+        [SubSonicPrimaryKey]
         public virtual int QualityProfileId { get; set; }
 
         [Required(ErrorMessage = "A Name is Required")]

NzbDrone.Core/Repository/RootDir.cs

@@ -8,6 +8,7 @@ namespace NzbDrone.Core.Repository
 {
     public class RootDir
     {
+        [SubSonicPrimaryKey]
         public virtual int Id { get; set; }
 
         public string Path { get; set; }