Delete legacy payload reconstruction #18280

Job	Run time
check-msrv	5m 7s
check-code	9m 28s
Check for 'skip-ci' label	1s
target-branch-check	1s
release-tests-ubuntu	17m 8s
op-pool-tests	12m 18s
debug-tests-ubuntu	7m 43s
network-tests	8m 26s
beacon-chain-tests	23m 10s
slasher-tests	1m 40s
release-tests-windows	25m 40s
basic-simulator-ubuntu	13m 11s
cargo-udeps	7m 21s
cli-check	7m 57s
compile-with-beta-compiler	13m 15s
ef-tests-ubuntu	11m 50s
execution-engine-integration-ubuntu	13m 4s
fallback-simulator-ubuntu	11m 11s
state-transition-vectors-ubuntu	2m 12s
test-suite-success	4s
	3h 10m 47s

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