move utils.ethereum.tokens to ethereum.tokens
move utils.ethereum.abi-spec to ethereum.abi-spec
move utils.ethereum.core to ethereum.core
move utils.ethereum.eip165 to ethereum.eip165
move utils.ethereum.eip55 to ethereum.eip55
move utils.ethereum.eip681 to ethereum.eip681
move utils.ethereum.ens to ethereum.ens
move utils.ethereum.erc721 to ethereum.erc721
move utils.ethereum.mnemonics to ethereum.mnemonics
move utils.ethereum.resolver to ethereum.resolver
move utils.ethereum.macros to ethereum.macros
Signed-off-by: yenda <eric@status.im>