chore(examples): cleanup folder #6135

Job	Run time
setup	5s
Run Main (gnodev) / Go Build / generated	7s
Run Main (gnodev) / Go Linter / lint	37s
Run Main (gnofaucet) / Go Build / generated	10s
Run Main (gnodev) / Go Test / test	59s
Run Main (gnofaucet) / Go Linter / lint	22s
Run Main (gnofaucet) / Go Test / test	43s
Run Main (gnogenesis) / Go Build / generated	11s
Run Main (gnogenesis) / Go Linter / lint	34s
Run Main (gnogenesis) / Go Test / test	41s
Run Main (gnokeykc) / Go Build / generated	7s
Run Main (gnokeykc) / Go Linter / lint	22s
Run Main (gnokeykc) / Go Test / test	36s
Run Main (gnomd) / Go Linter / lint	23s
Run Main (gnomd) / Go Build / generated	10s
Run Main (gnomigrate) / Go Build / generated	12s
Run Main (gnomd) / Go Test / test	21s
Run Main (gnomigrate) / Go Linter / lint	30s
Run Main (gnomigrate) / Go Test / test	41s
	7m 51s

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