make credo happy

lib/pleroma/activity.ex

@@ -318,7 +318,7 @@ defmodule Pleroma.Activity do
   end
 
   @spec base_query() :: Ecto.Query.t()
-  def base_query() do
+  def base_query do
     from(a in Activity, order_by: [asc: a.id])
   end
 end

lib/pleroma/backup.ex

@@ -73,7 +73,7 @@ defmodule Pleroma.Backup do
     writer
   end
 
-  defp local_upload_prefix(), do: Pleroma.Web.Endpoint.url() <> "/media"
+  defp local_upload_prefix, do: Pleroma.Web.Endpoint.url() <> "/media"
   defp is_local_upload?(path), do: String.starts_with?(path, local_upload_prefix())
 
   defp dump_uploads(writer) do

lib/pleroma/object.ex

@@ -192,7 +192,7 @@ defmodule Pleroma.Object do
   end
 
   @spec base_query() :: Ecto.Query.t()
-  def base_query() do
+  def base_query do
     from(o in Object, order_by: [asc: o.id])
   end
 end