Credo fixes.

lib/pleroma/conversation.ex

@@ -76,7 +76,7 @@ def create_or_bump_for(activity) do
   @doc """
   This is only meant to be run by a mix task. It creates conversations/participations for all direct messages in the database.
   """
-  def bump_for_all_activities() do
+  def bump_for_all_activities do
     stream =
       Pleroma.Web.ActivityPub.ActivityPub.fetch_direct_messages_query()
       |> Repo.stream()

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1052,7 +1052,7 @@ def contain_timeline(timeline, user) do
     end)
   end
 
-  def fetch_direct_messages_query() do
+  def fetch_direct_messages_query do
     Activity
     |> restrict_type(%{"type" => "Create"})
     |> restrict_visibility(%{visibility: "direct"})