Remove copypasta test failmaker.

.travis.yml

@@ -44,9 +44,6 @@ script:
   - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml'
   - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml'
 
-  # Ensure daemonize is available.
-  - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm which daemonize'
-
   # Test role idempotence.
   - >
     sudo docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/test.yml