Drop the plan state from the store and the assignments: migration 0108 and placement-only assignments (release 6, issue 1945 B9, B4)

cmd/mesh-controller/new_module_on_merge_test.go

@@ -39,9 +39,6 @@ func TestAMergeAddingAModuleEndsRegisteredFromItsKeyAndAsksNoBuild(t *testing.T)
 	if err := (following{open: open}).SourceMoved(ctx, m); err != nil {
 		t.Fatal(err)
 	}
-	if plans, err := inv.OpenPlans(ctx); err != nil || len(plans) != 0 {
-		t.Fatalf("a merge moving nothing the mesh holds opened a plan: %+v %v", plans, err)
-	}
 	// The indexer writes the module's trunk value; the builder builds it, then its key is done.
 	fp := fpOf('7')
 	manifest := b.indexed(t, "systemd-resolved", "1", "novox/mesh-catalog", "modules/systemd-resolved", commit, fp)