Move deprecated RM_Mailing_Event_BAO_MailingEventDelivered::create to recordDelivery
Sparkpost is using a deprecated call which is appearing in our logs.
2023-10-13 11:11:56-0600 [warning] Deprecated function CRM_Mailing_Event_BAO_MailingEventDelivered::create, use recordDelivery.
CRM_Core_Error::deprecatedFunctionWarning
CRM_Mailing_Event_BAO_MailingEventDelivered::create
::sparkpost_civicrm_postEmailSend
This should be changed here and maybe other places too.
cc @bgm