it's unclear what this test case is meant to protect, but passing an empty…

it's unclear what this test case is meant to protect, but passing an empty datastore value no longer has bearing on node construction. Datastore setup now occurs in repo.

core/core_test.go

@@ -37,7 +37,6 @@ func TestInitialization(t *testing.T) {
 	}
 
 	bad := []*config.Config{
-		&config.Config{Identity: id, Datastore: config.Datastore{}},
 		&config.Config{},
 		&config.Config{Datastore: config.Datastore{Type: "memory"}},
 	}