Undo althea-proto upgrade #1617

Job	Run time
check	3m 20s
audit	17s
rustfmt	8s
test	4m 54s
clippy	3m 52s
cross-armv7	49s
cross-aarch64	57s
integration-test-five-nodes	12m 37s
integration-test-multi-exit	12m 38s
integration-test-debts	17m 21s
integration-test-db-migration	12m 7s
integration-test-althea-payment	16m 34s
integration-test-eth-payments	13m 20s
integration-test-validate-contract	12m 15s
	1h 51m 9s

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