To support Version 2.1.1 changes for /v1/bequeath-your-data-and-die

[PrathibaJee]

Please refer the decision in this issues https://github.com/openBackhaul/RegistryOffice/issues/528 , https://github.com/openBackhaul/RegistryOffice/issues/529 , https://github.com/openBackhaul/RegistryOffice/issues/530 , https://github.com/openBackhaul/RegistryOffice/issues/534

• [x] Remove the callback PromptForBequeathingDataCausesNewApplicationBeingRequestedToDocumentSubscriptionsForApprovalNotifications
• [x] Remove the callback PromptForBequeathingDataCausesNewApplicationBeingRequestedToDocumentSubscriptionsForWithdrawnApprovalNotifications
• [x] support new attributes for the callback PromptForBequeathingDataCausesTransferOfListOfAlreadyRegisteredApplications as per the /v2/register-yourself