[gimp] app: remove multithreading warning from the preferences dialog

[N/A <ell src gnome org>]

commit 95921427d530f9a9fc088d7f313e19b3d2c49dd3
Author: Ell <ell_se yahoo com>
Date:   Wed Apr 25 10:51:20 2018 -0400

    app: remove multithreading warning from the preferences dialog
    
    Since we're prepping for a release, it's a about time we've done
    that.  I hereby pronounce multithreading support fit for general
    use!

 app/dialogs/preferences-dialog.c |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)
---
diff --git a/app/dialogs/preferences-dialog.c b/app/dialogs/preferences-dialog.c
index fe5e5e8..7178f90 100644
--- a/app/dialogs/preferences-dialog.c
+++ b/app/dialogs/preferences-dialog.c
@@ -1161,16 +1161,6 @@ prefs_dialog_new (Gimp       *gimp,
   prefs_spin_button_add (object, "num-processors", 1.0, 4.0, 0,
                          _("Number of _threads to use:"),
                          GTK_TABLE (table), 4, size_group);
-
-  vbox2 = g_object_new (GIMP_TYPE_HINT_BOX,
-                        "icon-name", GIMP_ICON_DIALOG_WARNING,
-                        "hint",      _("Threading support is not yet stable.\n"
-                                       "Setting this to greater than one might\n"
-                                       "result in image errors or crashes."),
-                        NULL);
-  gtk_table_attach (GTK_TABLE (table), vbox2, 1, 2, 5, 6,
-                    GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
-  gtk_widget_show (vbox2);
 #endif /* ENABLE_MP */
 
   /*  Hardware Acceleration  */