More unused var cleanup

Author: akira

lib/exq/stats/server.ex

@@ -10,7 +10,6 @@ defmodule Exq.Stats.Server do
   """
   use GenServer
   use Timex
-  alias Exq.Redis.JobQueue
   alias Exq.Redis.JobStat
   alias Exq.Support.Process
   require Logger

lib/exq/worker/supervisor.ex

@@ -5,7 +5,7 @@ defmodule Exq.Worker.Supervisor do
     Supervisor.start_link(__MODULE__, opts, [name: supervisor_name(opts[:name])])
   end
 
-  def init(arg) do
+  def init(_arg) do
     children = [
       worker(Exq.Worker.Server, [], restart: :temporary)
     ]