Revert "Add engine migrations in dummy app"
Revert "Add engine migrations in dummy app"

This reverts commit a1876ad7e6d59ff6f2f9365237b867bb7db92c4e.

dice-cyfronet/atmosphere,dice-cyfronet/atmosphere,dice-cyfronet/atmosphere,donpiekarz/atmosphere,donpiekarz/atmosphere,donpiekarz/atmosphere