[EBTABLES]: translate_table(): switch direct uses of repl->hook_info to newinfo

Since newinfo->hook_table[] already has been set up, we can switch to using
it instead of repl->{hook_info,valid_hooks}.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>