Remove "-staging" suffix from cloud role name (#7935)

Address NuGet/Engineering#3105

Author: joelverhagen

src/NuGetGallery/App_Start/DefaultDependenciesModule.cs

@@ -524,6 +524,7 @@ internal static ApplicationInsightsConfiguration ConfigureApplicationInsights(
 
             telemetryConfiguration.TelemetryInitializers.Add(new ClientInformationTelemetryEnricher());
             telemetryConfiguration.TelemetryInitializers.Add(new KnownOperationNameEnricher());
+            telemetryConfiguration.TelemetryInitializers.Add(new AzureWebAppTelemetryInitializer());
 
             // Add processors
             telemetryConfiguration.TelemetryProcessorChainBuilder.Use(next =>

tests/NuGetGallery.Facts/App_Start/DefaultDependenciesModuleFacts.cs

@@ -153,6 +153,7 @@ private Action<ITelemetryInitializer>[] GetTelemetryInitializerInspectors(string
                     // Registered by DefaultDependenciesModule in NuGetGallery
                     ti => ti.GetType().Equals(typeof(ClientInformationTelemetryEnricher)),
                     ti => ti.GetType().Equals(typeof(KnownOperationNameEnricher)),
+                    ti => ti.GetType().Equals(typeof(AzureWebAppTelemetryInitializer)),
 
                     // Registered by applicationinsights.config
                     ti => ti.GetType().Equals(typeof(HttpDependenciesParsingTelemetryInitializer)),