docs: remove autocomplete link

Autocomplete is not longer available in version 6/7

Author: Alan Agius

docs/documentation/stories.md

@@ -5,7 +5,6 @@
  - [1.0 Update](stories/1.0-update)
  - [App Shell](stories/app-shell)
  - [Asset Configuration](stories/asset-configuration)
- - [Autocompletion](stories/autocompletion)
  - [Configure Hot Module Replacement](stories/configure-hmr)
  - [CSS Preprocessors](stories/css-preprocessors)
  - [Global Lib](stories/global-lib)