Potent sulfur no longer causes noxious gas to appear upon world generation

The Bug:

Potent sulfur no longer causes noxious gas to appear upon world generation.

Steps to Reproduce:

1. Locate a sulfur caves biome and locate some potent sulfur.

2. Observe how noxious gas is never being produced.

3. Give the potent sulfur a block update and observe how behavior returns to normal.

Observed Behavior:

Potent sulfur no longer produces noxious gas upon world generation.

Expected Behavior:

Potent sulfur would produce noxious gas upon world generation.