Cleanup dead code in dotnet test (#49952)

Author: Youssef1313

src/Cli/dotnet/Commands/Test/Options.cs

@@ -3,7 +3,7 @@
 
 namespace Microsoft.DotNet.Cli.Commands.Test;
 
-internal record TestOptions(string Architecture, bool HasFilterMode, bool IsHelp);
+internal record TestOptions(bool HasFilterMode, bool IsHelp);
 
 internal record PathOptions(string? ProjectPath, string? SolutionPath, string? DirectoryPath);
 

src/Cli/dotnet/Commands/Test/TestingPlatformCommand.cs

@@ -92,7 +92,7 @@ private void PrepareEnvironment(ParseResult parseResult, out TestOptions testOpt
         bool filterModeEnabled = parseResult.HasOption(TestingPlatformOptions.TestModulesFilterOption);
 
         var arguments = parseResult.GetArguments();
-        testOptions = GetTestOptions(parseResult, filterModeEnabled, isHelp: ContainsHelpOption(arguments));
+        testOptions = GetTestOptions(filterModeEnabled, isHelp: ContainsHelpOption(arguments));
 
         _isDiscovery = ContainsListTestsOption(arguments);
 
@@ -180,10 +180,8 @@ private static int GetDegreeOfParallelism(ParseResult parseResult)
         return degreeOfParallelism;
     }
 
-    private static TestOptions GetTestOptions(ParseResult parseResult, bool hasFilterMode, bool isHelp) =>
-        new(parseResult.GetValue(CommonOptions.ArchitectureOption),
-            hasFilterMode,
-            isHelp);
+    private static TestOptions GetTestOptions(bool hasFilterMode, bool isHelp) =>
+        new(hasFilterMode, isHelp);
 
     private static bool ContainsHelpOption(IEnumerable<string> args)
     {