fix: 25294 - remove signed_out notification
What does this MR do?
fixes issue #25294 (closed) by removing signed_out notification
Are there points in the code the reviewer needs to double check?
Nope.
Why was this MR needed?
Issue fix
Screenshots (if relevant)
refer https://gitlab.com/gitlab-org/gitlab-ce/issues/25294 issue description
Does this MR meet the acceptance criteria?
Yes
- 
Changelog entry added 
- 
Documentation created/updated 
- 
API support added 
- Tests
- 
Added for this feature/bug 
- 
All builds are passing 
 
- 
- 
Conform by the merge request performance guides 
- 
Conform by the style guides 
- 
Branch has no merge conflicts with master(if it does - rebase it please)
- 
Squashed related commits together 
What are the relevant issue numbers?
Closes #25294 (closed)