Hold on there, slow down and take a few slow deep breaths. If you have spark and gas, the only other things you need are air and timing. I would place my bet at this point on timing is off. Of all the stuff you took off the only things that would have an impact on the starting would be the kick stand switch and the neutral switch. (Why remove the neutral switch?) Did you tear down the the bottom end to get the neutral switch out?
Edited to add; What else did you do? Air box/filter modifications? New Header/exhaust? Maybe a re jetting is in order as well. Try a little ether, but only once. That will tell you whether the timing is good if it fires up and the issue more than likely will be jetting.