Revert "move cors config to cms" (#1200)
Revert "move cors config to cms" (#1200)

This reverts commit 2591b15af45e9213d0201453a44661c8520cebbb.
openstax/openstax-cms,openstax/openstax-cms,Connexions/openstax-cms,openstax/openstax-cms,openstax/openstax-cms,Connexions/openstax-cms