fix: remove idle_shutdown log statement (#2012)

Author: edgurgel

lib/realtime/rate_counter/rate_counter.ex

@@ -225,8 +225,6 @@ defmodule Realtime.RateCounter do
 
   def handle_info(:idle_shutdown, state) do
     if Enum.all?(state.bucket, &(&1 == 0)) do
-      # All the buckets are empty, so we can assume this RateCounter has not been useful recently
-      Logger.info("#{__MODULE__} idle_shutdown reached for: #{inspect(state.id)}")
       shutdown(state)
     else
       Process.cancel_timer(state.idle_shutdown_ref)