Fix 'ui-docs-links lint' job referencing removed linter

This fixes that the `ui-docs-links lint` references the old
`DocumentationLinks` linter that was removed in [1].

[1]: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181453

.gitlab/ci/docs.gitlab-ci.yml

@@ -109,7 +109,7 @@ ui-docs-links lint:
   stage: lint
   needs: []
   script:
-    - bundle exec haml-lint -i DocumentationLinks
+    - bundle exec haml-lint
 
 docs-lint deprecations-and-removals:
   variables:

doc/development/documentation/testing/links.md

@@ -51,7 +51,7 @@ To test documentation links from GitLab code files locally, you can run
 1. Run:
 
    ```shell
-   bundle exec haml-lint -i DocumentationLinks
+   bundle exec haml-lint
    ```
 
 If you receive an error the first time you run this test, run `bundle install`, which

ee/app/components/admin/block_seats_overages/no_seats_left_in_subscription_alert_component.html.haml

@@ -3,5 +3,5 @@
     - c.with_body do
       %p= _('You have used all seats in your subscription, so you cannot add new users.')
     - c.with_actions do
-      = render Pajamas::ButtonComponent.new(variant: :confirm, href: help_page_path('subscriptions/self_managed/index', anchor: 'add-seats-to-a-subscription')) do
+      = render Pajamas::ButtonComponent.new(variant: :confirm, href: help_page_path('subscriptions/self_managed/_index.md', anchor: 'add-seats-to-a-subscription')) do
         = s_('Purchase more seats')