Don't create a reset code at user creation (#311)

The code to verify the email is created and stored under
user.stat.verification_code, and the reset code created was just
useless.
The code that removed the use of this token was introduced in 6668f47
"general cleanup", that seems to have been an oversight.

lib/teiserver/common/email_helper.ex

@@ -22,14 +22,6 @@ defmodule Teiserver.EmailHelper do
     website_url = "https://#{host}"
     verification_code = stats["verification_code"]
 
-    {:ok, _code} =
-      Teiserver.Account.create_code(%{
-        value: UUID.uuid4(),
-        purpose: "reset_password",
-        expires: Timex.now() |> Timex.shift(hours: 24),
-        user_id: user.id
-      })
-
     message_id = "<#{UUID.uuid4()}@#{host}>"
 
     game_name = Application.get_env(:teiserver, Teiserver)[:game_name]