Remove deprecated note from GitHub importer documentation

doc/workflow/importing/import_projects_from_github.md

@@ -48,12 +48,6 @@ The importer will create any new namespaces if they don't exist or in the
 case the namespace is taken, the project will be imported on the user's
 namespace.
 
-### Note
-
-When you import your projects from GitHub, it is not possible to keep your
-labels, milestones, and cross-repository pull requests. We are working on
-improving this in the near future.
-
 [gh-import]: ../../integration/github.md "GitHub integration"
 [ee-gh]: http://docs.gitlab.com/ee/integration/github.html "GitHub integration for GitLab EE"
 [new-project]: ../../gitlab-basics/create-project.md "How to create a new project in GitLab"