Revert "Add digdag-tests for digdag-server testing"
Revert "Add digdag-tests for digdag-server testing"

This reverts commit 4aa3940833d172fcdab3f988459bce9d6f980c0f.

treasure-data/digdag,treasure-data/digdag,treasure-data/digdag,treasure-data/digdag,treasure-data/digdag,treasure-data/digdag,treasure-data/digdag