Remove http proxying feature flag (#9341)

Author: satvu

release_notes.md

@@ -6,5 +6,4 @@
 
 - Patch Durable Functions Extension version check (https://github.com/Azure/azure-functions-host/pull/9331)
 - Update Java Worker Version to [2.12.0](https://github.com/Azure/azure-functions-java-worker/releases/tag/2.12.0)
-
-
+- Remove feature flag for http proxying (https://github.com/Azure/azure-functions-host/pull/9341)

src/WebJobs.Script.Grpc/Channel/GrpcWorkerChannel.cs

@@ -430,7 +430,7 @@ internal void WorkerInitResponse(GrpcEvent initEvent)
 
             // If http proxying is enabled, we need to get the proxying endpoint of this worker
             var httpUri = _workerCapabilities.GetCapabilityState(RpcWorkerConstants.HttpUri);
-            if (!string.IsNullOrEmpty(httpUri) && FeatureFlags.IsEnabled(ScriptConstants.FeatureFlagEnableHttpProxying))
+            if (!string.IsNullOrEmpty(httpUri))
             {
                 try
                 {
@@ -763,7 +763,7 @@ await SendStreamingMessageAsync(new StreamingMessage
                     context.CancellationToken.Register(() => SendInvocationCancel(invocationRequest.InvocationId));
                 }
 
-                if (IsHttpProxyingWorker && FeatureFlags.IsEnabled(ScriptConstants.FeatureFlagEnableHttpProxying) && context.FunctionMetadata.IsHttpTriggerFunction())
+                if (IsHttpProxyingWorker && context.FunctionMetadata.IsHttpTriggerFunction())
                 {
                     var aspNetTask = _httpProxyService.ForwardAsync(context, _httpProxyEndpoint).AsTask();
 
@@ -963,7 +963,7 @@ internal async Task InvokeResponse(InvocationResponse invokeResponse)
             {
                 if (invokeResponse.Result.IsInvocationSuccess(context.ResultSource, capabilityEnabled))
                 {
-                    if (FeatureFlags.IsEnabled(ScriptConstants.FeatureFlagEnableHttpProxying) && IsHttpProxyingWorker)
+                    if (IsHttpProxyingWorker)
                     {
                         if (context.Properties.TryGetValue(ScriptConstants.HttpProxyTask, out Task<ForwarderError> httpProxyTask))
                         {

src/WebJobs.Script/ScriptConstants.cs

@@ -126,7 +126,6 @@ public static class ScriptConstants
         public const string FeatureFlagEnableWorkerIndexing = "EnableWorkerIndexing";
         public const string FeatureFlagEnableDebugTracing = "EnableDebugTracing";
         public const string FeatureFlagEnableProxies = "EnableProxies";
-        public const string FeatureFlagEnableHttpProxying = "EnableHttpProxying";
         public const string HostingConfigDisableLinuxAppServiceDetailedExecutionEvents = "DisableLinuxExecutionDetails";
         public const string HostingConfigDisableLinuxAppServiceExecutionEventLogBackoff = "DisableLinuxLogBackoff";
         public const string FeatureFlagEnableLegacyDurableVersionCheck = "EnableLegacyDurableVersionCheck";