Crop out Crucible

Because we don't need more witch trials* and everything else Crucible-y (barring the Anvil, and I special-cased that) took a welder=>hacksaw for disassembly anyway.

JSON tweak was to bypass a recipe collision.  I'm sure there's a PR for that already.

*Play by Arthur Miller, USian folks may have been assigned it in school: The Crucible.