Remove shortcut CTRL+J on Functions->Open Subwindow in the PlcEditor.

wb/lib/wb/gtk/wb_foe_gtk.cpp

@@ -1758,8 +1758,6 @@ pwr_tStatus WFoeGtk::create_window(int x_top, int y_top, int width_adb,
       = gtk_menu_item_new_with_mnemonic("Open _Subwindow");
   g_signal_connect(functions_subwind, "activate",
       G_CALLBACK(WFoeGtk::activate_subwindow), this);
-  gtk_widget_add_accelerator(functions_openobj, "activate", accel_g, 'j',
-      GdkModifierType(GDK_CONTROL_MASK), GTK_ACCEL_VISIBLE);
 
   GtkMenu* functions_menu = (GtkMenu*)g_object_new(GTK_TYPE_MENU, NULL);
   gtk_menu_shell_append(GTK_MENU_SHELL(functions_menu), functions_openobj);

wb/lib/wb/qt/wb_foe_qt.cqt

@@ -944,7 +944,7 @@ pwr_tStatus WFoeQt::create_window(int x_top, int y_top, int width_adb,
   addMenuItem(toplevel, functions, "&Open Object...",
       SLOT(activate_attribute()), "CTRL+A");
   addMenuItem(toplevel, functions, "Open &Subwindow",
-      SLOT(activate_subwindow()), "CTRL+J");
+      SLOT(activate_subwindow()));
 
   // Mode entry
   QMenu* mode = menu_bar->addMenu(translate_utf8("&Mode"));