collab: Remove `POST /snowflake/events` endpoint (#24817)

This PR removes the `POST /snowflake/events` endpoint that was added in
#23842, as it is no longer used.

Release Notes:

- N/A
74e8164cd7Marshall Bowers committed on 2/13/2025, 7:31:57 PM· committed by GitHubparent16ffddf
1 file changedLine totals unavailable