TODO: Clean up dead kustomize base files

todo-cleanup-dead-kustomize-bases Doc

open todo
QA nit from Phase 16 (pal-e-deployments PR #9): bases/standard/hpa.yaml and bases/standard/servicemonitor.yaml are now unreferenced dead files after HPA and ServiceMonitor removal. Should be deleted in a follow-up.
Repo: forgejo_admin/pal-e-deployments
Source: phase-platform-16-alert-tuning (16c+16d QA nit)