Refactor: Remove redundant storage of last-quorum-acked-time in Leadi… #3302

Job	Run time
cluster-benchmark (cluster_benchmark)	45s
examples (stable, memstore)	40s
lint	6m 23s
examples (stable, raft-kv-memstore)	2m 13s
examples (stable, raft-kv-memstore-generic-snapshot-data)	1m 3s
examples (stable, raft-kv-memstore-opendal-snapshot-data)	1m 21s
openraft-feature-test (nightly)	50s
examples (stable, raft-kv-memstore-singlethreaded)	54s
openraft-feature-test (nightly, serde)	49s
examples (stable, raft-kv-rocksdb)	6m 45s
openraft-feature-test (nightly, single-term-leader)	48s
examples (nightly, memstore)	52s
openraft-feature-test (nightly, single-term-leader,serde,singlethreaded)	52s
examples (nightly, raft-kv-memstore)	2m 8s
examples (nightly, raft-kv-memstore-generic-snapshot-data)	1m 16s
examples (nightly, raft-kv-memstore-opendal-snapshot-data)	2m 7s
openraft-test (stable, 0)	3m 43s
openraft-test-bench (nightly)	56s
examples (nightly, raft-kv-memstore-singlethreaded)	1m 18s
openraft-test (nightly, 30)	3m 33s
stores (stores/memstore)	53s
examples (nightly, raft-kv-rocksdb)	12m 17s
openraft-test (nightly, 0, single-term-leader)	3m 14s
stores (stores/rocksstore)	6m 6s
Build (nightly, bench,serde,bt,singlethreaded)	46s
stores (stores/sledstore)	1m 0s
tests-feature-test (nightly)	3m 0s
tests-feature-test (nightly, single-term-leader)	3m 3s
tests-feature-test (nightly, loosen-follower-log-revert)	3m 4s
	1h 12m 39s

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