Remove link to topics

doc/README.md

@@ -6,10 +6,6 @@ All technical content published by GitLab lives in the documentation, including:
   - [User docs](#user-documentation): general documentation dedicated to regular users of GitLab
   - [Admin docs](#administrator-documentation): general documentation dedicated to administrators of GitLab instances
   - [Contributor docs](#contributor-documentation): general documentation on how to develop and contribute to GitLab
-- [Topics](topics/index.md): pages organized per topic, gathering all the
-  resources already published by GitLab related to a specific subject, including
-  general docs, [technical articles](development/writing_documentation.md#technical-articles),
-  blog posts and video tutorials.
 - [GitLab University](university/README.md): guides to learn Git and GitLab
   through courses and videos.