remove eip-155 considerations from arbitrary data signing (#1634) #7588

Job	Run time
build-goreleaser	27s
Change Detection	25s
run-goreleaser (agents)	3m 37s
run-goreleaser (contrib/promexporter)	2m 37s
run-goreleaser (ethergo)	1m 28s
run-goreleaser (services/cctp-relayer)	3m 2s
run-goreleaser (services/explorer)	3m 11s
run-goreleaser (services/omnirpc)	3m 10s
run-goreleaser (services/scribe)	3m 13s
run-goreleaser (services/sinner)	3m 40s
	24m 50s

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