Remove comma from empty orgs list

https://www.pivotaltracker.com/s/projects/367813/stories/59037594
Tweak template code
Merge pull request #1055 from alphagov/59037594-remove-comma-from-empty-orgs-list

https://www.pivotaltracker.com/s/projects/367813/stories/59037594

Remove comma from empty orgs list