Delete the controller's plan machinery: plans, batches, merge window, tiers, gate, retry and healers H1 and H2 (release 6, issue 1945 B7)

cmd/mesh-controller/compose_sdk.go

@@ -48,15 +48,7 @@ func freshInput(ctx context.Context) context.Context {
 // keptSignature is what the Input read depends on in ctx: which recorded modules each machine keeps at the build it runs
 // (recorded_kept.go), so an Input read for a person's push is never taken for one read for a gated send.
 func keptSignature(ctx context.Context) string {
-	skip, on := keptExcept(ctx)
-	var names []string
-	for m := range skip {
-		names = append(names, m)
-	}
-	sort.Strings(names)
-	every, _ := ctx.Value(keepEveryBuildKey{}).(string)
-	settings, _ := ctx.Value(keepForSettingsKey{}).(string)
-	return fmt.Sprintf("kept=%v;except=%v;every=%s;settings=%s", on, names, every, settings)
+	return ""
 }
 
 // inputFor is the Input for ctx's operation.