Ores missing when options off in Base Metals config

[OceanSnipe17]

If the vanilla options for gold, iron, diamond, coal, etc in Base Metals are set to false, the nether ore is not created.

I turned that off because i did not want the slabs and tools but I did want the ore.

Turned that back on fixed the ore disappearing.

[dshadowwolf]

This is semi-expected, but is on the TODO to be fixed in the next release