bundle exec rake time:zones:all fails in production

Created by: robertd

robertd@gitlab:/home/git/gitlab$ sudo -u git -H bundle exec rake time:zones:all
rake aborted!
LoadError: cannot load such file -- rb-inotify
/home/git/gitlab/config/application.rb:6:in `<top (required)>'
/home/git/gitlab/Rakefile:5:in `require'
/home/git/gitlab/Rakefile:5:in `<top (required)>'
(See full trace by running task with --trace)

I believe we need Notification gems out of the development group in Gemfile.

  # Notification
  gem 'rb-fsevent', require: darwin_only('rb-fsevent')
  gem 'growl',      require: darwin_only('growl')
  gem 'rb-inotify', require: linux_only('rb-inotify')