Remove reference to campfire on empty-repos page (#560)
Remove reference to campfire on empty-repos page (#560)

We used to use campfire, but now we no longer do.
travis-ci/travis-web,fotinakis/travis-web,travis-ci/travis-web,fotinakis/travis-web,fotinakis/travis-web,fotinakis/travis-web,travis-ci/travis-web,travis-ci/travis-web