message: [docs] remove mention of gitpod.yml reference
  the link points to itself and confuses users, as they think there is some
  reference somewhere that they cannnot find.
diff: @@ -22,8 +22,6 @@ ports:
  onOpen: open-preview
  ```
  -Please refer to the [`.gitpod.yml` reference](/docs/config-gitpod-file) for a list of all available configuration options and their meaning.
  -
  ## How to provide the .gitpod.yml config file
  In order to tell Gitpod how to prepare a dev environment for your project, you check in a `.gitpod.yml` file into the root of your repository. This way you can
  