[file-roller] removed the title from the error dialog

[Paolo Bacchilega <paobac src gnome org>]

commit 767f7ac8ad11f0bbae3269990abe88880b4e4f95
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun May 8 17:56:58 2016 +0200

    removed the title from the error dialog
    
    *) it's ugly
    *) it's unneccessary

 src/fr-window.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/src/fr-window.c b/src/fr-window.c
index 29813f2..fd161b7 100644
--- a/src/fr-window.c
+++ b/src/fr-window.c
@@ -2884,10 +2884,8 @@ fr_window_show_error_dialog (FrWindow   *window,
 
        close_progress_dialog (window, TRUE);
 
-       if (window->priv->batch_mode) {
-               gtk_window_set_title (GTK_WINDOW (dialog), window->priv->batch_title);
+       if (window->priv->batch_mode)
                fr_window_destroy_with_error_dialog (window);
-       }
 
        g_signal_connect (dialog,
                          "response",