message: reactor.Scope: Remove useless manual lambda free, now handled by threads.
diff: @@ -53,18 +53,11 @@ namespace elle
  auto thread =
  new Thread(
  sched, name,
  - // Mutable lambda so the action can be moved.
  - [this, a = std::move(a), name, idt, parent] () mutable
  + [this, action = std::move(a), name, idt, parent]
  {
  elle::log::logger().indentation() = idt;
  try
  {
  - // Make sure the action is deleted as soon as it's done,
  - // and not when finished thread are garbage collected. It
  - // may hold objects that are expected to be destroyed - a
  - // captured unique_ptr to a socket for instance, and one
  - // would expect a disconnection when the thread is done.
  - Thread::Action action(std::move(a));
  ELLE_TRACE("%s: background job %s starts", *this, name)
  action();
  ELLE_TRACE("%s: background job %s finished", *this, name);
  