fuzz: remove macros from chanmon_consistency #23238

Job	Run time
ext-test	6m 52s
rustfmt	13s
check_docs	6m 53s
fuzz	56m 17s
linting	2m 14s
tor-connect	6m 31s
benchmark	18m 29s
fuzz_sanity	16m 13s
check_release	3m 2s
build-nostd / build (self-hosted, 1.75.0)	14m 41s
build-bindings / build (self-hosted, 1.75.0)	20m 37s
build-workspace / build (self-hosted, 1.75.0)	17m 15s
build-cfg-flags / build (self-hosted, 1.75.0)	11m 58s
build-features / build (self-hosted, 1.75.0)	36m 33s
build-sync / build (self-hosted, 1.75.0)	17m 17s
coverage	26m 49s
notify-failure	0s
	4h 21m 54s

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