Fix default configuration for NameFormat

38d2e7f forgot to update `config/default.yml` as part of the merge.

Change-Id: I26d50fa424d980ca5f1fe3a5f046e15ed9a2fdfa
Reviewed-on: https://gerrit.causes.com/33676
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>