OfferSetup - manage pending processes if provider callback url is removed

[Phil91]

Description

As an offer provider I'd like that the offer subscription processes are set in the correct state after I removed the provider trigger callback url

Acceptance Criteria

• All process steps RETRIGGER_PROVIDER which are in TODO should be set to done and a new process step should be set to AWAIT_START_AUTOSETUP
• The callback url should be removed from the database