Remove useless has_availabilities

lib/vaccins_web/live/location_component.ex

@@ -8,7 +8,6 @@ defmodule VaccinsWeb.LocationComponent do
       {:ok,
        socket
        |> assign(
-         has_availabilities: false,
          slots_after: [],
          slots_before: [],
          loading: false,
@@ -72,20 +71,18 @@ defmodule VaccinsWeb.LocationComponent do
   end
 
   defp integrate_availabilities(assigns = %{availabilities: {:error, reason}}),
-    do: assigns |> Map.put(:has_availabilities, false)
+    do: assigns
 
   defp integrate_availabilities(assigns = %{availabilities: {:ok, after_slots}})
        when is_list(after_slots),
        do:
          assigns
-         |> Map.put(:has_availabilities, true)
          |> Map.put(:slots_after, after_slots |> Enum.take(5))
 
   defp integrate_availabilities(assigns = %{availabilities: {:ok, before_slots, after_slots}})
        when is_list(before_slots),
        do:
          assigns
-         |> Map.put(:has_availabilities, true)
          |> Map.put(:slots_after, after_slots |> Enum.take(5))
          |> Map.put(:slots_before, before_slots)