Remove unused config state copy

[Pigbibi]

Summary

• remove stale summary copy keys for rows that are no longer displayed

Validation

• python3 scripts/sync_strategy_switch_page_asset.py
• node --experimental-default-type=module tests/strategy_switch_worker_validation.mjs
• sed -n '/<script>/,/</script>/p' web/strategy-switch-console/index.html | sed '1d;' | node --check --input-type=commonjs
• node --check --input-type=module < web/strategy-switch-console/page_asset.js
• git diff --check