Clean up code

lib/chronoscope/nts/client.ex

@@ -31,12 +31,6 @@ defmodule Chronoscope.NTS.Client do
     {:reply, get_response(server, new_state), new_state}
   end
 
-  # fixme - remove
-  @impl true
-  def handle_info(_, state) do
-    {:noreply, state}
-  end
-
   defp update_state(server, state) do
     now = DateTime.utc_now()
     last_key_establishment = get_last_key_establishment(server, state, now)
@@ -68,6 +62,7 @@ defmodule Chronoscope.NTS.Client do
   end
 
   defp current_data(server, now) do
+    # fixme - handle each request asynchronously
     response =
       Chronoscope.TaskSupervisor
       |> Task.Supervisor.async(fn -> KeyEstablishmentClient.key_establishment(server) end)

lib/chronoscope/nts/key_establishment_client.ex

@@ -31,7 +31,6 @@ defmodule Chronoscope.NTS.KeyEstablishmentClient do
     :ok = :ssl.send(socket, KeyEstablishmentRequest.create())
     {:ok, peercert} = :ssl.peercert(socket)
 
-    # fixme - don't use receive inside genserver
     receive do
       {:ssl, _socket, response} ->
         :ssl.close(socket)