Use plugins expand dir with default fallback value

Alexey Lebedeff · Alexey Lebedeff · commit aee6e38f5a45 · 2017-05-05T16:57:18.000+03:00
In addition to #1134
diff --git a/src/rabbit_plugins.erl b/src/rabbit_plugins.erl
@@ -206,7 +206,7 @@ prepare_plugins(Enabled) ->
     Wanted.
 
 clean_plugins(Plugins) ->
-    {ok, ExpandDir} = application:get_env(rabbit, plugins_expand_dir),
+    ExpandDir = plugins_expand_dir(),
     [clean_plugin(Plugin, ExpandDir) || Plugin <- Plugins].
 
 clean_plugin(Plugin, ExpandDir) ->
