User: Don't pull remote users follower count immediately after deactivating.

The other instance doesn't necessarily know that anything changed yet, and it
will be fixed up at the next user pull anyway.

Closes #1369

lib/pleroma/user.ex

@@ -1095,7 +1095,12 @@ defmodule Pleroma.User do
   def deactivate(%User{} = user, status) do
     with {:ok, user} <- set_activation_status(user, status) do
       Enum.each(get_followers(user), &invalidate_cache/1)
-      Enum.each(get_friends(user), &update_follower_count/1)
+
+      # Only update local user counts, remote will be update during the next pull.
+      user
+      |> get_friends()
+      |> Enum.filter(& &1.local)
+      |> Enum.each(&update_follower_count/1)
 
       {:ok, user}
     end