Play Framework

chore(skel): stop scaffolding the empty test/data.yml

The skeleton's data.yml was the upstream sample fixture: every line a
comment, loaded by nothing, so each `play new` app carried it as dead
weight. The tutorial step that told readers to edit it now has them
create it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BpFuFQ498aNqwi7Me7P55j