Add APIs to prune completed state for LSPS1/LSPS2/LSPS5 #22846

Job	Run time
ext-test	7m 4s
tor-connect	9m 12s
fuzz	37m 2s
benchmark	17m 49s
build-sync / build (self-hosted, 1.75.0)	28m 16s
check_release	1m 26s
fuzz_sanity	10m 57s
build-nostd / build (self-hosted, 1.75.0)	22m 3s
rustfmt	14s
linting	2m 24s
build-workspace / build (self-hosted, 1.75.0)	16m 55s
build-features / build (self-hosted, 1.75.0)	32m 49s
build-cfg-flags / build (self-hosted, 1.75.0)	16m 39s
check_docs	4m 36s
build-bindings / build (self-hosted, 1.75.0)	21m 3s
coverage	0s
notify-failure	0s
	3h 48m 29s

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