Need help removing cards from my Yugioh deck?

Yes, definitely try to add more fusions into your deck. Most of the time, elemental hero decks only work when you have the right fusion monsters. I have an old elemental hero deck (without any fancy new elemental hero b.s. cards) and it works pretty well. You hardly need the winged kuriboh combination, but winged kuriboh itself can be a handy card to have, just in case. A few cards I would recommend (with my lack of knowledge on NEWER cards) would include: Fusion Weapon, Demotion, Elemental Hero Shining Flare Wingman, Elemental Hero Electrum, cards that will increase your chances of being able to play or draw the elemental hero that you need, and cards that will further strengthen your elemental heros. And why would you have Diffusion in there? I do not believe you can do what they do in the television shows with diffusing your monsters and making your opponent's attack cease. Lastly, I understand what everyone else is saying, but you cannot have a successful elemental hero deck without help from other types of monsters. Don't be afraid to have evil heros or anything like that. You just need to think up multiple strategies for your deck. My elemental hero deck has many strategies. After all, if you only have one strategy and your opponent foils it, say goodbye to your life points lol.