Remember to not only read the first sentence, but read the entire notice before running to panic on forums, OP.

Link so you can read the whole thing https://na.finalfantasyxiv.com/lodes...6a8f10b54d8114

Emphasis:

Although Allagan tomestones of mendacity and genesis will not be removed in Patch 5.0, items obtained through their exchange will be made available through other means.