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refactor: delete unused renderer, event log, and prompt checkpoint #4097

Job	Run time
static-analysis	39s
test (3/4)	46s
test (4/4)	29s
build	11s
test (2/4)	1m 0s
test (1/4)	39s
test (one-process pollution detector)	0s
typecheck	3s
eslint	2s
prettier	2s
test (src)	2s
build-and-test	3s
	3m 56s