Merge branch 'eread/add-feature-flag-remove-to-project-import-export-docs' into 'master'

Refactor version text for feature flag removal

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/117805



Merged-by: Lorena Ciutacu <lciutacu@gitlab.com>
Approved-by: Rodrigo Tomonari <rtomonari@gitlab.com>
Approved-by: Lorena Ciutacu <lciutacu@gitlab.com>
Co-authored-by: Evan Read <eread@gitlab.com>