Merge branch 'qa-default-branch-refactor' into 'master'

Remove no longer needed test code

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/135676



Merged-by: Ramya Authappan <rauthappan@gitlab.com>
Approved-by: Sofia Vistas <svistas@gitlab.com>
Approved-by: Ramya Authappan <rauthappan@gitlab.com>
Co-authored-by: a_mcdonald <amcdonald@gitlab.com>