util-events: Remove sbt build dependencies
util-events: Remove sbt build dependencies

Summary: Probem / Solution

util-events was removed but a few stray sbt references
remained lurking in the shadows. This removes them.

Differential Revision: https://phabricator.twitter.biz/D82756

luciferous/finagle,twitter/finagle,luciferous/finagle,luciferous/finagle,mkhq/finagle,luciferous/finagle,luciferous/finagle,luciferous/finagle,mkhq/finagle,twitter/finagle,twitter/finagle,mkhq/finagle,mkhq/finagle,mkhq/finagle,twitter/finagle,twitter/finagle,mkhq/finagle