Handle download data diskstation (#744)

* Delete data manually after finished seeding

* Removed try/catch

src/NzbDrone.Core/Download/Clients/DownloadStation/DownloadStation.cs

@@ -117,16 +117,13 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation
 
         public override void RemoveItem(string downloadId, bool deleteData)
         {
-            try
+            if (deleteData)
             {
-                _proxy.RemoveTorrent(ParseDownloadId(downloadId), deleteData, Settings);
-                _logger.Debug("{0} removed correctly", downloadId);
-                return;
-            }
-            catch (DownloadClientException e)
-            {
-                _logger.Error(e);
+                DeleteItemData(downloadId);
             }
+
+            _proxy.RemoveTorrent(ParseDownloadId(downloadId), Settings);
+            _logger.Debug("{0} removed correctly", downloadId);
         }
 
         protected OsPath GetOutputPath(OsPath outputPath, DownloadStationTorrent torrent, string serialNumber)

src/NzbDrone.Core/Download/Clients/DownloadStation/Proxies/DownloadStationProxy.cs

@@ -12,7 +12,7 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation.Proxies
     {
         IEnumerable<DownloadStationTorrent> GetTorrents(DownloadStationSettings settings);
         Dictionary<string, object> GetConfig(DownloadStationSettings settings);
-        void RemoveTorrent(string downloadId, bool deleteData, DownloadStationSettings settings);
+        void RemoveTorrent(string downloadId, DownloadStationSettings settings);
         void AddTorrentFromUrl(string url, string downloadDirectory, DownloadStationSettings settings);
         void AddTorrentFromData(byte[] torrentData, string filename, string downloadDirectory, DownloadStationSettings settings);
         IEnumerable<int> GetApiVersion(DownloadStationSettings settings);
@@ -99,7 +99,7 @@ namespace NzbDrone.Core.Download.Clients.DownloadStation.Proxies
             return response.Data;
         }
 
-        public void RemoveTorrent(string downloadId, bool deleteData, DownloadStationSettings settings)
+        public void RemoveTorrent(string downloadId, DownloadStationSettings settings)
         {
             var arguments = new Dictionary<string, object>
             {