Go back to using instance name as service name

Author: andreasohlund

src/ServiceControl.Audit/HostApplicationBuilderExtensions.cs

@@ -77,9 +77,9 @@ public static void AddServiceControlAudit(this IHostApplicationBuilder builder,
 
             builder.Services.AddOpenTelemetry()
                 .ConfigureResource(b => b.AddService(
-                    serviceName: Telemetry.ServiceName,
+                    serviceName: settings.InstanceName,
                     serviceVersion: version,
-                    serviceInstanceId: settings.InstanceName))
+                    autoGenerateServiceInstanceId: true))
                 .WithMetrics(b =>
                 {
                     b.AddMeter(Telemetry.MeterName);

src/ServiceControl.Audit/Infrastructure/Telemetry.cs

@@ -5,6 +5,5 @@ namespace ServiceControl.Audit;
 static class Telemetry
 {
     public const string MeterName = "Particular.ServiceControl.Audit";
-    public static string ServiceName = MeterName;
     public static readonly Meter Meter = new(MeterName, "0.1.0");
 }