Cleanup dead module message serializer (#49759)

Author: Youssef1313

src/Cli/dotnet/Commands/Test/IPC/Models/ModuleMessage.cs

@@ -28,7 +28,6 @@ public static void RegisterAllSerializers(this NamedPipeBase namedPipeBase)
     {
         namedPipeBase.RegisterSerializer(new VoidResponseSerializer(), typeof(VoidResponse));
         namedPipeBase.RegisterSerializer(new CommandLineOptionMessagesSerializer(), typeof(CommandLineOptionMessages));
-        namedPipeBase.RegisterSerializer(new ModuleMessageSerializer(), typeof(ModuleMessage));
         namedPipeBase.RegisterSerializer(new DiscoveredTestMessagesSerializer(), typeof(DiscoveredTestMessages));
         namedPipeBase.RegisterSerializer(new TestResultMessagesSerializer(), typeof(TestResultMessages));
         namedPipeBase.RegisterSerializer(new FileArtifactMessagesSerializer(), typeof(FileArtifactMessages));