Revert "added migrations"
Revert "added migrations"

Let's not commit migrations until we have this more finalized. This migration doesn't take into account the persistent stores model, which I'm going to change still.

This reverts commit 6b20053f47ac9c5a57eb998731285a6fdcd0a932.

CI-WATER/tethys,CI-WATER/tethys,CI-WATER/tethys