Disabled unused Nuclearcraft fluids to save block IDs

[TheDeviantCrafter]

Nuclearcraft uses up 10% of our available block IDs, and most of these are fluids. We should disable all of them, and add them back as we need them. We should keep them enabled if they're used in our custom recipes, used in the base mod, or basic ones like molten lapis and sulfur. The basic ones will probably all get used eventually.