Apply suggestions from code review

Co-authored-by: Cody Robibero <cody@robibe.ro>

MediaBrowser.Providers/Plugins/Tmdb/People/TmdbPersonImageProvider.cs

@@ -79,7 +79,7 @@ namespace MediaBrowser.Providers.Plugins.Tmdb.People
                 return remoteImages.OrderByLanguageDescending(language);
             }
 
-            return new List<RemoteImageInfo>();
+            return Enumerable.Empty<RemoteImageInfo>();
         }
 
         public Task<HttpResponseMessage> GetImageResponse(string url, CancellationToken cancellationToken)

MediaBrowser.Providers/Plugins/Tmdb/People/TmdbPersonProvider.cs

@@ -60,7 +60,7 @@ namespace MediaBrowser.Providers.Plugins.Tmdb.People
             if (searchInfo.IsAutomated)
             {
                 // Don't hammer moviedb searching by name
-                return new List<RemoteSearchResult>();
+                return Enumerable.Empty<RemoteSearchResult>();
             }
 
             var personSearchResult = await _tmdbClientManager.SearchPersonAsync(searchInfo.Name, cancellationToken).ConfigureAwait(false);

MediaBrowser.Providers/Plugins/Tmdb/TV/TmdbEpisodeImageProvider.cs

@@ -103,6 +103,5 @@ namespace MediaBrowser.Providers.Plugins.Tmdb.TV
         {
             return item is Controller.Entities.TV.Episode;
         }
-
     }
 }

MediaBrowser.Providers/Plugins/Tmdb/TV/TmdbSeriesImageProvider.cs

@@ -64,7 +64,7 @@ namespace MediaBrowser.Providers.Plugins.Tmdb.TV
 
             if (series?.Images == null)
             {
-                return Array.Empty<RemoteImageInfo>();
+                return Enumerable.Empty<RemoteImageInfo>();
             }
 
             var remoteImages = new List<RemoteImageInfo>();