Consolidate over-split eval benchmark modules

[yvette-carlisle]

Summary

• remove trivial forwarding modules in real_world_job_benchmark job reports
• consolidate short ranking metric leaf modules into the ranking owner
• consolidate quantitative product-manifest row export helpers into rows.rs

Validation

• cargo make fmt-rust
• cargo make check-rust
• cargo nextest run -p elf-eval --all-targets --all-features