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/readable.go

@@ -42,9 +42,6 @@ type meshStatus struct {
 	// whose is older is still working — and Waiting cannot tell those apart, because the sent
 	// digest is recorded at send, not at apply.
 	Reported []machineReported `json:"reported"`
-	// Plans is what the last merges produced and where each stands (novox/hq ADR 0162): the
-	// open ones first, each saying its tier, what it waits for, and whether it has waited too long.
-	Plans []planStatus `json:"plans"`
 	// Unresolved is every machine that cannot be worked out at all, with what the mesh said when
 	// it tried. **A machine here is in none of the lists above**: nothing was computed for it, so
 	// there is nothing to compare it against and nothing it can be behind — which is why a
@@ -252,7 +249,7 @@ func statusAsJSON(asked answers) ([]byte, error) {
 	out := meshStatus{Machines: len(nodes), Wrong: []machineDoing{},
 		Quiet: []machineQuiet{}, Behind: []moduleBehind{}, Waiting: []machineWaiting{},
 		Reported: []machineReported{}, Unresolved: []machineUnresolved{},
-		Network: asked.network, Adopted: adoptedNodes(nodes), Plans: planStatuses(asked.plans, time.Now(), asked.tierBounds),
+		Network: asked.network, Adopted: adoptedNodes(nodes),
 		NotAnnounced: asked.notAnnounced, NotAnnouncedWhy: asked.notAnnouncedWhy}
 	// In a stated order, so two readings of an unchanged mesh are the same document.
 	untakenNodes := make([]string, 0, len(asked.untaken))