message: docs: remove redundant sections and broken link
diff: # Table of Contents
  * [Introduction](#introduction)
  * [Getting Started with Universal](#getting-started)
  -* [Upgrading to Version 8](#version-8)
  * [Packages](#packages)
  * [Universal "Gotchas"](#universal-gotchas)
  * [Roadmap](#roadmap)
  @@ -29,9 +28,6 @@ The Universal project is driven by community contributions. Please send us your
  [Angular Universal Guide](https://angular.io/guide/universal)
  -# Version 8
  -Follow this upgrade guide if you are upgrading an existing Universal project to Angular version 8 - [Guide](/docs/v8-upgrade-guide.md)
  -
  # Packages
  The packages from this repo are published as scoped packages under [@nguniversal](https://www.npmjs.com/search?q=%40nguniversal)
  @@ -61,9 +57,6 @@ Moved to [/docs/gotchas.md](/docs/gotchas.md)
  - Support [AppShell](https://developers.google.com/web/updates/2015/11/app-shell) use cases
  - Development server/watch mode builder with livereload for CLI
  -## In Progress
  -- Static site rendering
  -
  ## Planning
  - Full client rehydration strategy that reuses DOM elements/CSS rendered on the server
  - Better internal performance and stress tests
  