Redb optimize temp state cleanuop #57

Job	Run time
target-branch-check	1s
check-code	9m 7s
Check for 'skip-ci' label	1s
check-msrv	5m 0s
cli-check	7m 52s
cargo-udeps	7m 34s
basic-simulator-ubuntu	13m 12s
beacon-chain-tests	34m 30s
execution-engine-integration-ubuntu	46m 20s
compile-with-beta-compiler	13m 25s
ef-tests-ubuntu	12m 33s
debug-tests-ubuntu	8m 40s
fallback-simulator-ubuntu	10m 43s
network-tests	8m 42s
release-tests-ubuntu	54m 6s
op-pool-tests	12m 36s
release-tests-windows	1h 13m 7s
slasher-tests	1m 29s
state-transition-vectors-ubuntu	2m 30s
test-suite-success	0s
	5h 21m 28s

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