When someone picks a calendar to sync to other than their default, adding attendees causes
it to show up on their default calendar as well.  This commit removes all attendees from
the event.
Remove unnecessary specs
Remove logger line
Merge pull request #107 from CruGlobal/event_syncing_to_two_calandars_fix

Take attendees out of google event sync
Longer backoff times for GoogleIntegration jobs
More generic Sidekiq Worker