fix(mix): do not include logger in dependencies to fix mix release

mix.exs

@@ -47,7 +47,7 @@ defmodule Ejabberd.MixProject do
                     :fast_tls, :fast_xml, :fast_yaml, :jose,
                     :p1_utils, :stringprep, :syntax_tools, :yconf, :xmpp]
      ++ cond_apps(),
-     included_applications: [:mnesia, :os_mon, :logger,
+     included_applications: [:mnesia, :os_mon,
                              :cache_tab, :eimp, :mqtree, :p1_acme,
                              :p1_oauth2, :pkix]
      ++ cond_included_apps()]