Revert "idp/saml: add a utils module, start with session saving/loading functions"
Revert "idp/saml: add a utils module, start with session saving/loading functions"

This reverts commit 25ad16f2f892877e49b925bbcdcd1e726367c715.

adieu/authentic2,pu239ppy/authentic2,adieu/authentic2,pu239ppy/authentic2,adieu/authentic2,pu239ppy/authentic2,pu239ppy/authentic2,adieu/authentic2