Revert "Add Azure Functions HITL workflow sample"

This reverts commit 0a42924.

Author: kshyju

dotnet/agent-framework-dotnet.slnx

@@ -55,12 +55,10 @@
     <Project Path="samples/Durable/Workflow/ConsoleApps/05_WorkflowEvents/05_WorkflowEvents.csproj" />
     <Project Path="samples/Durable/Workflow/ConsoleApps/06_WorkflowSharedState/06_WorkflowSharedState.csproj" />
     <Project Path="samples/Durable/Workflow/ConsoleApps/07_SubWorkflows/07_SubWorkflows.csproj" />
-    <Project Path="samples/Durable/Workflow/ConsoleApps/10_WorkflowHITL/10_WorkflowHITL.csproj" />
   </Folder>
   <Folder Name="/Samples/Durable/Workflows/AzureFunctions/">
     <Project Path="samples/Durable/Workflow/AzureFunctions/01_SequentialWorkflow/01_SequentialWorkflow.csproj" />
     <Project Path="samples/Durable/Workflow/AzureFunctions/02_ConcurrentWorkflow/02_ConcurrentWorkflow.csproj" />
-    <Project Path="samples/Durable/Workflow/AzureFunctions/06_WorkflowHITL/06_WorkflowHITL.csproj" />
   </Folder>
   <Folder Name="/Samples/GettingStarted/">
     <File Path="samples/GettingStarted/README.md" />