Merge branch 'issue-management-images' into 'master'

Delete old Jira issue management images

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/119757



Merged-by: Catherine Pope <cpope@gitlab.com>
Approved-by: Catherine Pope <cpope@gitlab.com>
Co-authored-by: Ashraf Khamis <akhamis@gitlab.com>