UserActionCreator to be deprecated

[amirbey]

Background (Optional)

UserActionCreator records should be created in the events table.

Acceptance Criteria

• [ ] move UserAction records to events table
• [ ] remove UserAction creation from site controller and SiteUserAuditor
• [ ] Change made live via Federalist deploy

After evaluating, edit this part:

Level of effort - <low/medium/high>

Implementation outline (if higher than "low" effort):

• [ ] <TODO>

[amirbey]

Blocked until the Collaborators page is replaced with user audit content page.