I agree with shua... lose the tarp

I don't see any water treatment? or a light?

I think cutting down the size of your bag is a great way to lose weight... if it can't squeeze it in, you can't bring it. Just make sure the bag fits you well with your gear. I think if its a bit tight for your gear now, that's probably a good thing though.

Instead of a sparkler, I find another bic lighter is cheaper, lighter, and more reliable. If you are going somewhere that allows fire, that can be your backup cannister