Merge branch 'update-codeowners-tw-team' into 'master'

Change style of docs entry in codeowners

See merge request gitlab-org/gitlab!23746

.gitlab/CODEOWNERS

@@ -2,9 +2,8 @@
 *.rb @gitlab-org/maintainers/rails-backend
 *.rake @gitlab-org/maintainers/rails-backend
 
-# Technical writing team are the default reviewers for everything in `doc/`
+# Technical writing team are the default reviewers for all markdown docs
 *.md @gl-docsteam
-doc/ @gl-docsteam
 
 # Frontend maintainers should see everything in `app/assets/`
 app/assets/ @gitlab-org/maintainers/frontend