Remove static list of audit event typess

What does this MR do and why?

Recently the list of available audit event types was moved to an auto generation process to ensure the list is consistently up to date. Create a doc for listing the available audit ev... (#411557 - closed) • Huzaifa Iftikhar • 16.3 • On track

With this change we can now remove the static list of audit events to remove any confusion.

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