refactor: revert the pre-serialization and parallel buffer #29

Job	Run time
misc check	9s
run with address saniziter	3m 42s
run with single worker thread and deadlock detection	2m 33s
run with leak saniziter	3m 2s
rust ffmt check (ubuntu-latest)	13s
rust test with codecov (ubuntu-latest, stable)	6m 59s
rust ffmt check (macos-latest)	17s
rust udeps test (ubuntu-latest)	1m 3s
rust test with codecov (ubuntu-latest, 1.81.0)	6m 53s
rust ffmt check (windows-latest)	28s
rust udeps test (macos-latest)	1m 17s
rust test with codecov (macos-latest, stable)	4m 22s
rust udeps test (windows-latest)	2m 24s
rust test with codecov (macos-latest, 1.81.0)	5m 10s
rust test with codecov (windows-latest, stable)	6m 47s
rust test with codecov (windows-latest, 1.81.0)	7m 1s
	52m 20s

Provide feedback