Delete dead code

Author: Youssef1313

src/Platform/Microsoft.Testing.Platform/Hosts/TestHostBuilder.cs

@@ -481,11 +481,6 @@ await LogTestHostCreatedAsync(
         policiesService.ProcessRole = TestProcessRole.TestHost;
         await proxyOutputDevice.HandleProcessRoleAsync(TestProcessRole.TestHost, testApplicationCancellationTokenSource.CancellationToken).ConfigureAwait(false);
 
-        // Setup the test host working folder.
-        // Out of the test host controller extension the current working directory is the test host working directory.
-        string? currentWorkingDirectory = configuration[PlatformConfigurationConstants.PlatformCurrentWorkingDirectory];
-        ApplicationStateGuard.Ensure(currentWorkingDirectory is not null);
-
         testHostControllerInfo.IsCurrentProcessTestHostController = false;
 
         // If we're under test controllers and currently we're inside the started test host we connect to the out of process

src/Platform/Microsoft.Testing.Platform/TestHostControllers/TestHostControllersManager.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
-using Microsoft.Testing.Platform.Configurations;
 using Microsoft.Testing.Platform.Extensions;
 using Microsoft.Testing.Platform.Extensions.TestHostControllers;
 using Microsoft.Testing.Platform.Helpers;
@@ -108,13 +107,6 @@ public void AddDataConsumer<T>(CompositeExtensionFactory<T> compositeServiceFact
 
     internal async Task<TestHostControllerConfiguration> BuildAsync(ServiceProvider serviceProvider)
     {
-        // For now the test host working directory and the current working directory are the same.
-        // In future we could move the test host in a different directory for instance in case of
-        // the need to rewrite binary files. If we don't move files are locked by ourself.
-        var aggregatedConfiguration = (AggregatedConfiguration)serviceProvider.GetConfiguration();
-        string? currentWorkingDirectory = aggregatedConfiguration[PlatformConfigurationConstants.PlatformCurrentWorkingDirectory];
-        ApplicationStateGuard.Ensure(currentWorkingDirectory is not null);
-
         List<(ITestHostEnvironmentVariableProvider TestHostEnvironmentVariableProvider, int RegistrationOrder)> environmentVariableProviders = [];
         foreach (Func<IServiceProvider, ITestHostEnvironmentVariableProvider> environmentVariableProviderFactory in _environmentVariableProviderFactories)
         {