Summary: Adds a schema patch that removes conduit_connectionlog. This table hasn't been used in 8ish months so it's probably safe to get rid of.
Test Plan: Apply the patch locally and confirm that the table does indeed get dropped.
Reviewers: #blessed_reviewers, epriestley
Reviewed By: #blessed_reviewers, epriestley
Subscribers: epriestley
Differential Revision: https://secure.phabricator.com/D16438
