Truthfully, I don't think you NEED to pull either, but if it gives you peace of mind, I think that I would do the fuel pump or both. But I do not know if there is a potential for harm if someone is able to crank he engine without it. bzrollin is probably right in that the immobilizer should really suffice. Ask a thief, or a Honda tech, if you want to know for sure. And I ain't either!
SOME SAY, that when he gets into his car, he plugs the IMA cable into his left ear Ö but no one can tell who is charging whom!