Remove test_change_host

lib/ret/hub.ex

@@ -668,18 +668,6 @@ defmodule Ret.Hub do
     end
   end
 
-  def test_change_host(hub) do
-    host = RoomAssigner.get_available_host(hub.host)
-
-    hub |> changeset_for_new_host(host) |> Repo.update!()
-
-    RetWeb.Endpoint.broadcast("hub:" <> hub.hub_sid, "host_changed", %{
-      host: host,
-      port: Hub.janus_port(),
-      turn: Hub.generate_turn_info()
-    })
-  end
-
   # Remove the host entry from any rooms that are older than a day old and have no presence
   def vacuum_hosts do
     Ret.Locking.exec_if_lockable(:hub_vacuum_hosts, fn ->

lib/ret_web/channels/hub_channel.ex

@@ -712,11 +712,6 @@ defmodule RetWeb.HubChannel do
     end
   end
 
-  def handle_in("test_change_host", _payload, socket) do
-    Hub.test_change_host(hub_for_socket(socket))
-    {:noreply, socket}
-  end
-
   def handle_in(_message, _payload, socket) do
     {:noreply, socket}
   end