Rename textures from Omnicoin -> Nomicoin
This prevents resource packs from overriding these textures with an 'omnicoin' one.
Item IDs have not been changed, for backwards compatibility.
This is the rest of the changes from f94dd1233b.
* Change Microverse Stuff
Disabled Fluid input hatch for Advanced and Advanced II, allowed mufflers to be anywhere.
(Haven't tested, need to test)
* Fix missing false
* Disable fluid inputs in recipe maps
* Do the same for basic microverse
* Change max fluid inputs of basic to 1
* Update multiblocks_expert.zs
Do the same for expert microverse projectors
* Remove Microverse Vent Stuff
* Delete microverse_vent.png
* Delete microverse_vent.json
* Remove Microverse Vent
