Remove H1 in @moduledoc

lib/pleroma/object/containment.ex

 defmodule Pleroma.Object.Containment do
   @moduledoc """
-  # Object Containment
+  help on getting the origin of contained objects
 
   This module contains some useful functions for containing objects to specific
   origins and determining those origins.  They previously lived in the

lib/pleroma/upload.ex

@@ -4,7 +4,7 @@
 
 defmodule Pleroma.Upload do
   @moduledoc """
-  # Upload
+  Manage user uploads
 
   Options:
   * `:type`: presets for activity type (defaults to Document) and size limits from app configuration