Removing unused variable

Author: StanleyGoldman

src/tests/IntegrationTests/BaseGitEnvironmentTest.cs

@@ -28,8 +28,6 @@ protected async Task<IEnvironment> Initialize(NPath repoPath, NPath environmentP
 
             GitClient = new GitClient(Environment, ProcessManager, TaskManager);
 
-            var usageTracker = new NullUsageTracker();
-
             RepositoryManager = GitHub.Unity.RepositoryManager.CreateInstance(Platform, TaskManager, GitClient, repoPath);
             RepositoryManager.Initialize();