chore: remove unnecessary log.info from check-existing

lib/workers/branch/check-existing.js

@@ -27,7 +27,6 @@ async function prAlreadyExisted(config) {
       const closedAt = moment(pr.closed_at);
       const problemStart = moment('2017-10-15T20:00:00Z');
       const problemStopped = moment('2017-10-16T06:00:00Z');
-      logger.info({ closedAt, problemStart, problemStopped }, 'times');
       if (
         problemStart.isBefore(closedAt) &&
         closedAt.isBefore(problemStopped)