Clean up single-pass a bit #15422

Job	Run time
beacon-chain-tests	18m 24s
release-tests-ubuntu	27m 7s
release-tests-windows	29m 3s
target-branch-check	1s
ef-tests-ubuntu	15m 28s
debug-tests-ubuntu	8m 54s
network-tests	13m 35s
op-pool-tests	16m 13s
slasher-tests	5m 43s
state-transition-vectors-ubuntu	7m 34s
check-code	10m 50s
compile-with-beta-compiler	14m 3s
doppelganger-protection-test	23m 13s
dockerfile-ubuntu	13m 35s
eth1-simulator-ubuntu	22m 31s
execution-engine-integration-ubuntu	17m 4s
merge-transition-ubuntu	20m 12s
no-eth1-simulator-ubuntu	17m 59s
syncing-simulator-ubuntu	12m 8s
cargo-udeps	6m 20s
check-msrv	4m 22s
cli-check	18m 19s
test-suite-success	7s
	5h 22m 45s

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