TransformTargets cannot depends on knowing Destroy

There is no reliable way to know if `destroy` was called from the cli.

terraform/transform_targets_test.go

@@ -200,55 +200,3 @@ output.grandchild_id (expand)
 		t.Fatalf("bad:\n\nexpected:\n%s\n\ngot:\n%s\n", expected, actual)
 	}
 }
-
-func TestTargetsTransformer_destroy(t *testing.T) {
-	mod := testModule(t, "transform-targets-destroy")
-
-	g := Graph{Path: addrs.RootModuleInstance}
-	{
-		tf := &ConfigTransformer{Config: mod}
-		if err := tf.Transform(&g); err != nil {
-			t.Fatalf("err: %s", err)
-		}
-	}
-
-	{
-		transform := &AttachResourceConfigTransformer{Config: mod}
-		if err := transform.Transform(&g); err != nil {
-			t.Fatalf("err: %s", err)
-		}
-	}
-
-	{
-		transform := &ReferenceTransformer{}
-		if err := transform.Transform(&g); err != nil {
-			t.Fatalf("err: %s", err)
-		}
-	}
-
-	{
-		transform := &TargetsTransformer{
-			Targets: []addrs.Targetable{
-				addrs.RootModuleInstance.Resource(
-					addrs.ManagedResourceMode, "aws_instance", "me",
-				),
-			},
-			Destroy: true,
-		}
-		if err := transform.Transform(&g); err != nil {
-			t.Fatalf("err: %s", err)
-		}
-	}
-
-	actual := strings.TrimSpace(g.String())
-	expected := strings.TrimSpace(`
-aws_elb.me
-  aws_instance.me
-aws_instance.me
-aws_instance.metoo
-  aws_instance.me
-	`)
-	if actual != expected {
-		t.Fatalf("bad:\n\nexpected:\n%s\n\ngot:\n%s\n", expected, actual)
-	}
-}