fix hdhr stream returning too quickly

MediaBrowser.Controller/Entities/Audio/Audio.cs

@@ -51,11 +51,6 @@ namespace MediaBrowser.Controller.Entities.Audio
             return 1;
         }
 
-        public bool SupportsMediaSourceSelection()
-        {
-            return false;
-        }
-
         [IgnoreDataMember]
         public override bool SupportsPlayedStatus
         {

MediaBrowser.Controller/Entities/IHasMediaSources.cs

@@ -13,6 +13,5 @@ namespace MediaBrowser.Controller.Entities
         /// <returns>Task{IEnumerable{MediaSourceInfo}}.</returns>
         List<MediaSourceInfo> GetMediaSources(bool enablePathSubstitution);
         List<MediaStream> GetMediaStreams();
-        bool SupportsMediaSourceSelection();
     }
 }

MediaBrowser.Controller/Entities/Video.cs

@@ -109,11 +109,6 @@ namespace MediaBrowser.Controller.Entities
             get { return true; }
         }
 
-        public bool SupportsMediaSourceSelection()
-        {
-            return SourceType == SourceType.Library;
-        }
-
         /// <summary>
         /// Gets or sets the timestamp.
         /// </summary>

MediaBrowser.Controller/LiveTv/LiveTvChannel.cs

@@ -24,11 +24,6 @@ namespace MediaBrowser.Controller.LiveTv
             return list;
         }
 
-        public bool SupportsMediaSourceSelection()
-        {
-            return false;
-        }
-
         public override UnratedItem GetBlockUnratedType()
         {
             return UnratedItem.LiveTvChannel;