Simplify empty SomeCommand class and getters

Co-authored-by: Mauro Servienti <[email protected]>

Author: hsvotwa

samples/logging/new-relic/Metrics_6/Endpoint/LoadSimulator.cs

@@ -42,10 +42,7 @@ TimeSpan NextDelay()
         return delay;
     }
 
-    Task Work()
-    {
-        return endpointInstance.SendLocal(new SomeCommand());
-    }
+    Task Work() => endpointInstance.SendLocal(new SomeCommand());
 
     public Task Stop()
     {

samples/logging/new-relic/Metrics_6/Endpoint/NewRelicMetrics.cs

@@ -69,10 +69,7 @@ static void RegisterProbes(ProbeContext context, string endpointName, Dictionary
             #endregion
         }
 
-        static string FormatMetric(string name, string prefix)
-        {
-            return Normalize($"Custom/NServiceBus/{prefix}/{{0}}/{name}");
-        }
+        static string FormatMetric(string name, string prefix) => Normalize($"Custom/NServiceBus/{prefix}/{{0}}/{name}");
 
         static string Normalize(string name)
         {

samples/logging/new-relic/Metrics_6/Endpoint/SomeCommand.cs

@@ -1,6 +1,3 @@
 using NServiceBus;
 
-class SomeCommand :
-    ICommand
-{
-}
+class SomeCommand : ICommand;