schedule expired oauth tokens deletion with Oban

lib/pleroma/workers/cron/clear_oauth_token_worker.ex

@@ -1,23 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.Workers.Cron.ClearOauthTokenWorker do
-  @moduledoc """
-  The worker to cleanup expired oAuth tokens.
-  """
-
-  use Oban.Worker, queue: "background"
-
-  alias Pleroma.Config
-  alias Pleroma.Web.OAuth.Token
-
-  @impl Oban.Worker
-  def perform(_job) do
-    if Config.get([:oauth2, :clean_expired_tokens], false) do
-      Token.delete_expired_tokens()
-    end
-
-    :ok
-  end
-end