Revert "delete authorization when it is no longer valid"
Revert "delete authorization when it is no longer valid"

This reverts commit 469aa1ec2a3eca36a9357509efb9f271d2a32928.

eduVPN/vpn-user-portal,eduVPN/vpn-user-portal,fkooman/vpn-user-portal,fkooman/vpn-user-portal