Ore Redemption Machine can now Smelt Plasteel

We've been seeing plasteel production plummet to basically zero simply because the only way to do it was via the production line that:
A) Is sealed off with wooden barriers and
B) Does not give any point rewards
Removing a premature return
Merge pull request #4454 from Ikarrus/plasteel

Ore Redemption Machine can now Smelt Plasteel