Remove stateRoot check for Account.isEmpty() to make emptiness check EIP-161 compliant
Remove stateRoot check for Account.isEmpty() to make emptiness check EIP-161 compliant

ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-util,ethereum/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-vm,ethereumjs/ethereumjs-util