Actually fix upload limit on OTP releases

Closes #1109

lib/pleroma/plugs/parsers_plug.ex

@@ -1,21 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.Plugs.Parsers do
-  @moduledoc "Initializes Plug.Parsers with upload limit set at boot time"
-
-  @behaviour Plug
-
-  def init(_opts) do
-    Plug.Parsers.init(
-      parsers: [:urlencoded, :multipart, :json],
-      pass: ["*/*"],
-      json_decoder: Jason,
-      length: Pleroma.Config.get([:instance, :upload_limit]),
-      body_reader: {Pleroma.Web.Plugs.DigestPlug, :read_body, []}
-    )
-  end
-
-  defdelegate call(conn, opts), to: Plug.Parsers
-end