[AsyncLet] remove some commented out code

Author: ktoso

stdlib/public/Concurrency/AsyncLet.swift

@@ -16,48 +16,13 @@ import Swift
 // ==== Async Let -------------------------------------------------------------
 // Only has internal / builtin functions as it is not really accessible directly
 
-//@available(macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, *)
-//@_silgen_name("swift_asyncLet_create")
-//func _asyncLetCreate(task: Builtin.NativeObject) -> Builtin.RawPointer
-
 @available(macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, *)
 @_silgen_name("swift_asyncLet_start")
 public func _asyncLetStart<T>(
   asyncLet: Builtin.RawPointer,
   operation: __owned @Sendable @escaping () async throws -> T
 )
 
-//{
-//  let currentTask = Builtin.getCurrentAsyncTask()
-//
-//  // Set up the job flags for a new task.
-//  var flags = Task.JobFlags()
-//  flags.kind = .task
-//  flags.priority = getJobFlags(currentTask).priority
-//  flags.isFuture = true
-//  flags.isChildTask = true
-//
-//  print("\(#function) - FLAGS = \(flags.bits)")
-////  // Create the asynchronous task future.
-////  let (task, _) = Builtin.createAsyncTaskFuture(flags.bits, operation)
-////
-////  // Initialization of an async let already takes care of registering it with the parent task.
-////  let asyncLet = Builtin.createAsyncLet(operation)
-////  let asyncLet = Builtin.createAsyncLet(flags.bits, operation)
-////  let (asyncLet, task) = Builtin.createAsyncLet(flags.bits, operation)
-//  let (asyncLet, _) = Builtin.createAsyncLet(flags.bits, operation)
-////  assert(unsafeBitCast(asyncLet, to: Int64.self) == unsafeBitCast(two, to: Int64.self))
-//
-//  // Enqueue the resulting job.
-//  _enqueueJobGlobal(
-//      Builtin.convertTaskToJob(
-//          _asyncLetExtractTask(of: asyncLet)))
-//
-////  _enqueueJobGlobal(Builtin.convertTaskToJob(task))
-//
-//  return asyncLet
-//}
-
 /// Similar to _taskFutureGet but for AsyncLet
 @available(macOS 9999, iOS 9999, watchOS 9999, tvOS 9999, *)
 @_silgen_name("swift_asyncLet_wait")