Update tests/Jellyfin.Networking.Tests/NetworkTesting/UnitTesting.cs

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

tests/Jellyfin.Networking.Tests/NetworkTesting/UnitTesting.cs

@@ -8,8 +8,6 @@ using MediaBrowser.Common.Net;
 using Moq;
 using Microsoft.Extensions.Logging.Abstractions;
 using Xunit;
-using NetCollection = System.Collections.ObjectModel.Collection<MediaBrowser.Common.Net.IPObject>;
-using XMLProperties = System.Collections.Generic.Dictionary<string, string>;
 
 namespace NetworkTesting
 {