Remove --amqp-send-settled

It was introduced to allow fast publishing when there was no async publish.
SendWithRecepit doesn't allow sending settled messages, so let's just
remove this option altogether. If needed, we can add it back and use
Send() when it's used

cmd/root.go

@@ -94,8 +94,6 @@ func RootCmd() *cobra.Command {
 		"AMQP application properties, eg. key1=val1,val2")
 	amqpPublisherFlags.StringSliceVar(&cfg.Amqp.Subjects, "amqp-subject", []string{},
 		"AMQP 1.0 message subject(s)")
-	amqpPublisherFlags.BoolVar(&cfg.Amqp.SendSettled, "amqp-send-settled", false,
-		"Send settled messages (fire and forget)")
 
 	amqpConsumerFlags := pflag.NewFlagSet("amqp-consumer", pflag.ContinueOnError)
 

pkg/amqp10/publisher.go

@@ -125,14 +125,8 @@ func (p *Amqp10Publisher) CreateSender() {
 		durability = amqp.DurabilityUnsettledState
 	}
 
-	settleMode := amqp.SenderSettleModeUnsettled.Ptr()
-	if p.Config.Amqp.SendSettled {
-		settleMode = amqp.SenderSettleModeSettled.Ptr()
-	}
-
 	for p.Sender == nil {
 		sender, err := p.Session.NewSender(context.TODO(), p.Terminus, &amqp.SenderOptions{
-			SettlementMode:   settleMode,
 			TargetDurability: durability,
 		})
 		if err != nil {

pkg/config/config.go

@@ -47,7 +47,6 @@ var QueueTypes = map[QueueType][]string{
 
 type AmqpOptions struct {
 	Subjects           []string
-	SendSettled        bool
 	ReleaseRate        int
 	RejectRate         int
 	PropertyFilters    map[string]string