fixes cleaning up of ironic directory from /etc

Closes-Bug: 1391083

Change-Id: Ic47161ab375716cc39ee1a7dd57034782717e323
diff --git a/lib/ironic b/lib/ironic
index cf005a7..ffbfc72 100644
--- a/lib/ironic
+++ b/lib/ironic
@@ -177,7 +177,7 @@
 # cleanup_ironic() - Remove residual data files, anything left over from previous
 # runs that would need to clean up.
 function cleanup_ironic {
-    sudo rm -rf $IRONIC_AUTH_CACHE_DIR
+    sudo rm -rf $IRONIC_AUTH_CACHE_DIR $IRONIC_CONF_DIR
 }
 
 # configure_ironic_dirs() - Create all directories required by Ironic and