Clear roadmap

Roadmap.md

@@ -2,27 +2,6 @@
 
 Features that will be included in the next major release.
 
-- Migrate solution from ASP.NET Core 2.2 to 3.0 and update all projects to use the latest .NET Core 3.0 templates.
-
-- Implement the new .NET Core 3.0 WorkerService in Ordering.API and other background processes.
-
-- Improve Ordering.API
-  - Group order items
-  - apply discounts from Marketing.API
-
-- Handle two deployment scenarios
-  - Basic deployment, better for learning:
-    - Docker compose
-    - Local Kubernetes
-    - Visual Studio F5 experience
-
-  - Advanced deployment, complex but more real-life:
-    - Sidecar implementation with Envoy/Istio
-    - Improved API Gateway and resilience
-    - gRPC for inter-service communications
-    - Test and Support Azure Dev Spaces
-
-🔥 [Track Progress](https://github.com/dotnet-architecture/eShopOnContainers/tree/features/migration-dotnet3)
-## Feature candidates
+To Be Decided (TBD)
 
 Check the [backlog](Backlog) for candidate features.