chore: tidy `misc/loop` mod #5870

Job	Run time
setup	10s
Run Main (gnodev) / Go Build / generated	6s
Run Main (gnodev) / Go Linter / lint	46s
Run Main (gnodev) / Go Test / test	1m 14s
Run Main (gnofaucet) / Go Build / generated	6s
Run Main (gnofaucet) / Go Linter / lint	26s
Run Main (gnofaucet) / Go Test / test	34s
Run Main (gnogenesis) / Go Build / generated	8s
Run Main (gnogenesis) / Go Linter / lint	36s
Run Main (gnogenesis) / Go Test / test	42s
Run Main (gnokeykc) / Go Build / generated	7s
Run Main (gnokeykc) / Go Linter / lint	43s
Run Main (gnokeykc) / Go Test / test	46s
Run Main (gnomd) / Go Build / generated	10s
Run Main (gnomd) / Go Linter / lint	21s
Run Main (gnomigrate) / Go Test / test	40s
Run Main (gnomd) / Go Test / test	26s
Run Main (gnomigrate) / Go Build / generated	5s
Run Main (gnomigrate) / Go Linter / lint	32s
	8m 38s

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