Redb optimize temp state cleanuop #36

Job	Run time
check-msrv	5m 12s
Check for 'skip-ci' label	1s
target-branch-check	1s
check-code	8m 36s
basic-simulator-ubuntu	20m 15s
cli-check	8m 30s
beacon-chain-tests	40m 23s
cargo-udeps	7m 26s
compile-with-beta-compiler	13m 36s
debug-tests-ubuntu	12m 25s
ef-tests-ubuntu	18m 58s
execution-engine-integration-ubuntu	48m 16s
fallback-simulator-ubuntu	11m 31s
network-tests	8m 40s
op-pool-tests	18m 13s
release-tests-ubuntu	1h 4m 21s
release-tests-windows	45m 19s
slasher-tests	1m 31s
state-transition-vectors-ubuntu	8m 28s
test-suite-success	0s
	5h 41m 42s

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