refactor: remove the default option configure

remove default config since it's same as the default value for the option

Signed-off-by: Weihan Li <[email protected]>

Author: WeihanLi

src/OpenFeature.Hosting/OpenFeatureBuilderExtensions.cs

@@ -19,15 +19,7 @@ public static partial class OpenFeatureBuilderExtensions
     /// <returns>The <see cref="OpenFeatureBuilder"/> instance.</returns>
     public static OpenFeatureBuilder AddHostedFeatureLifecycle(this OpenFeatureBuilder builder, Action<FeatureLifecycleStateOptions>? configureOptions = null)
     {
-        if (configureOptions == null)
-        {
-            builder.Services.Configure<FeatureLifecycleStateOptions>(cfg =>
-            {
-                cfg.StartState = FeatureStartState.Starting;
-                cfg.StopState = FeatureStopState.Stopping;
-            });
-        }
-        else
+        if (configureOptions is not null)
         {
             builder.Services.Configure(configureOptions);
         }