Tests

chore: clean up some journalstate docs (#1712) #4112

Job	Run time
check	16s
check no_std	19s
check serde	25s
test stable --no-default-features	36s
check no_std optimism	21s
check std	23s
test stable	51s
clippy	1m 9s
test stable --all-features	42s
test beta --no-default-features	1m 4s
docs	1m 5s
fmt	6s
test beta	1m 5s
test beta --all-features	1m 0s
test nightly --no-default-features	54s
test nightly	56s
test nightly --all-features	53s
TyposCheck	5s
	12m 10s

Provide feedback