Discard Remote Fetcher jobs which errored due to an MRF rejection

changelog.d/oban-fetcher-rejected.change

@@ -0,0 +1 @@
+Discard Remote Fetcher jobs which errored due to an MRF rejection

lib/pleroma/workers/remote_fetcher_worker.ex

@@ -13,6 +13,9 @@ defmodule Pleroma.Workers.RemoteFetcherWorker do
       {:ok, _object} ->
         :ok
 
+      {:rejected, reason} ->
+        {:discard, reason}
+
       {:error, :forbidden} ->
         {:discard, :forbidden}