Absolutely ridiculous--that link below about removed fonts says they will email you 30 days prior to removal. I didn't get a single email about this in any form. I use Titling Gothic as the primary font for one client's entire catalog of work and now it's just gone with no warning.
You would need to buy it from that foundry. Unfortunately Adobe is suggesting that TypeKit should be considered a "tryout" and that anyone using a font should actually purchase it. Seems like they really made a mistake with their licensing terms.