Make customize methods consistent

Author: bording

src/ServiceControl.Transports.RabbitMQ/RabbitMQConventionalRoutingTransportCustomization.cs

@@ -34,7 +34,7 @@ ManagementClient Get()
 
         protected override void CustomizeTransportForPrimaryEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) => transport = transportDefinition;
 
-        protected override void CustomizeTransportForAuditEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) { }
+        protected override void CustomizeTransportForAuditEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) => transport = transportDefinition;
 
         protected override void CustomizeTransportForMonitoringEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) => transport = transportDefinition;
 

src/ServiceControl.Transports.RabbitMQ/RabbitMQDirectRoutingTransportCustomization.cs

@@ -34,7 +34,7 @@ ManagementClient Get()
 
         protected override void CustomizeTransportForPrimaryEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) => transport = transportDefinition;
 
-        protected override void CustomizeTransportForAuditEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) { }
+        protected override void CustomizeTransportForAuditEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) => transport = transportDefinition;
 
         protected override void CustomizeTransportForMonitoringEndpoint(EndpointConfiguration endpointConfiguration, RabbitMQTransport transportDefinition, TransportSettings transportSettings) => transport = transportDefinition;