removed null checks that are no longer needed

MediaBrowser.Controller/Dto/DtoBuilder.cs

@@ -280,16 +280,13 @@ namespace MediaBrowser.Controller.Dto
                 dto.Genres = item.Genres;
             }
 
-            if (item.Images != null)
-            {
-                dto.ImageTags = new Dictionary<ImageType, Guid>();
+            dto.ImageTags = new Dictionary<ImageType, Guid>();
 
-                foreach (var image in item.Images)
-                {
-                    var type = image.Key;
+            foreach (var image in item.Images)
+            {
+                var type = image.Key;
 
-                    dto.ImageTags[type] = Kernel.Instance.ImageManager.GetImageCacheTag(item, type, image.Value);
-                }
+                dto.ImageTags[type] = Kernel.Instance.ImageManager.GetImageCacheTag(item, type, image.Value);
             }
 
             dto.Id = GetClientItemId(item);

MediaBrowser.Providers/ImageFromMediaLocationProvider.cs

@@ -86,11 +86,6 @@ namespace MediaBrowser.Providers
         /// <param name="item">The item.</param>
         private void ValidateImages(BaseItem item)
         {
-            if (item.Images == null)
-            {
-                return;
-            }
-
             // Only validate paths from the same directory - need to copy to a list because we are going to potentially modify the collection below
             var deletedKeys = item.Images.ToList().Where(image =>
             {

MediaBrowser.Server.Implementations/ScheduledTasks/ImageCleanupTask.cs

@@ -125,22 +125,11 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
         /// <returns>IEnumerable{System.String}.</returns>
         private IEnumerable<string> GetPathsInUse(BaseItem item)
         {
-            IEnumerable<string> images = new List<string>();
+            IEnumerable<string> images = item.Images.Values.ToList();
 
-            if (item.Images != null)
-            {
-                images = images.Concat(item.Images.Values);
-            }
+            images = images.Concat(item.BackdropImagePaths);
 
-            if (item.BackdropImagePaths != null)
-            {
-                images = images.Concat(item.BackdropImagePaths);
-            }
-
-            if (item.ScreenshotImagePaths != null)
-            {
-                images = images.Concat(item.ScreenshotImagePaths);
-            }
+            images = images.Concat(item.ScreenshotImagePaths);
 
             var localTrailers = _itemRepo.GetItems(item.LocalTrailerIds).ToList();
             images = localTrailers.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
@@ -162,8 +151,8 @@ namespace MediaBrowser.Server.Implementations.ScheduledTasks
 
             if (movie != null)
             {
-                var specialFeattures = _itemRepo.GetItems(movie.SpecialFeatureIds).ToList();
-                images = specialFeattures.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
+                var specialFeatures = _itemRepo.GetItems(movie.SpecialFeatureIds).ToList();
+                images = specialFeatures.Aggregate(images, (current, subItem) => current.Concat(GetPathsInUse(subItem)));
             }
 
             return images;