Remove unused field from ConfigurationService

Author: drewgillies

src/NuGetGallery.Services/Configuration/ConfigurationService.cs

@@ -24,7 +24,6 @@ public class ConfigurationService : IGalleryConfigurationService, IConfiguration
         protected const string ServiceBusPrefix = "AzureServiceBus.";
         protected const string PackageDeletePrefix = "PackageDelete.";
 
-        private bool _notInCloudService;
         private readonly Lazy<string> _httpSiteRootThunk;
         private readonly Lazy<string> _httpsSiteRootThunk;
         private readonly Lazy<IAppConfiguration> _lazyAppConfiguration;