Fixed: Calibre add/remove format API

src/NzbDrone.Core/Books/Calibre/Resources/CalibreChanges.cs

@@ -26,8 +26,9 @@ public class CalibreChanges
         public string Series { get; set; }
         [JsonProperty("series_index")]
         public double? SeriesIndex { get; set; }
-
+        [JsonProperty("added_formats")]
         public List<CalibreAddFormat> AddedFormats { get; set; }
+        [JsonProperty("removed_formats")]
         public List<string> RemovedFormats { get; set; }
     }