Refuse a removed verb by name before reading its arguments, as the SDK member's table now offers none (issue 1851, A11a; issue 1318, C3)

cmd/mesh-controller/delivery_test.go

@@ -138,8 +138,6 @@ func TestTheDeliveryVerbsComposeTheirCommands(t *testing.T) {
 		{"delivery-order", map[string]any{"members": "[]"}, []string{"delivery", "order", "--members", "[]"}},
 		{"delivery-check", map[string]any{"group": "feat/x", "members": "[]"},
 			[]string{"delivery", "check", "--group", "feat/x", "--members", "[]"}},
-		{"delivery-plan", map[string]any{"repository": "novox/a", "paths": "x", "head": "c0"},
-			[]string{"delivery", "plan"}},
 		{"plans", map[string]any{"go": "plan-1", "why": "down"}, []string{"plans", "go", "plan-1", "--why", "down"}},
 	} {
 		got, err := argvFor(c.verb, c.args)