Merge branch '403005-fa-remove-ci_simplify_dag_status_calculation_for_processing' into 'master'

Remove FF ci_simplify_dag_status_calculation_for_processing

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/117835



Merged-by: Laura Montemayor <lmontemayor@gitlab.com>
Approved-by: Laura Montemayor <lmontemayor@gitlab.com>
Co-authored-by: Furkan Ayhan <furkanayhn@gmail.com>