Leave out a module whose stored manifest has an unknown field, and raise it (hq ADR 0262 review)

A key dropped silently ran a module without what its manifest says, and a key inside a block still
failed the whole catalogue. Judge a key by what it is about, and narrow the listing to one machine.

cmd/mesh-controller/plan.go

@@ -515,9 +515,8 @@ func sortedKeysOf(m map[string]string) []string {
 // 0163, rule 6), one line each: the machine is told everything else, and is told it was left out.
 func reportLeftOut(node string, declared sendable) {
 	for _, m := range declared.LeftOut {
-		fmt.Printf("%s: %s left out — a setting stored for it cannot compose with its definition; "+
-			"what the machine holds for it is kept and its containers are untouched. %s\n",
-			node, m, declared.leftOutWhy[m])
+		fmt.Printf("%s: %s left out — what the machine holds for it is kept and its containers are "+
+			"untouched. %s\n", node, m, declared.leftOutWhy[m])
 	}
 	// And whom it serves nothing, because their identity overflows what the provision keeps (ADR
 	// 0225): the machine is sent everything else, and the consumer is named.