(bug fix) Removed console.fireEvent('complete') after clearCache.
This causes a timing issue where it fires a "complete" event **before** modx-console has finished digesting all messages.
Anyway, this fireEvent is **not** needed.
Fix clearcache timing issue with MODx.Console

Merge remote-tracking branch 'oori/hotfix/hotfix-clearcache-timing' into release-2.2

* oori/hotfix/hotfix-clearcache-timing:
  (bug fix) Removed console.fireEvent('complete') after clearCache. This causes a timing issue where it fires a "complete" event **before** modx-console has finished digesting all messages. Anyway, this fireEvent is **not** needed.