added correct id link for gitlab instances
The link to GitLab instances on the UX on-boarding doc was no longer valid causing it to load entire page. Corrected to link directly to the GitLab.com vs GitLab.org documentation.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The link to GitLab instances on the UX on-boarding doc was no longer valid causing it to load entire page. Corrected to link directly to the GitLab.com vs GitLab.org documentation.