kconfig: lxdialog: remove initialization with A_NORMAL

A_NORMAL is zero, so the attribute is set to the default A_NORMAL
without explicit assignment.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/lxdialog/util.c

@@ -17,22 +17,13 @@ struct dialog_info dlg;
 
 static void set_mono_theme(void)
 {
-	dlg.screen.atr = A_NORMAL;
-	dlg.shadow.atr = A_NORMAL;
-	dlg.dialog.atr = A_NORMAL;
 	dlg.title.atr = A_BOLD;
-	dlg.border.atr = A_NORMAL;
 	dlg.button_active.atr = A_REVERSE;
 	dlg.button_inactive.atr = A_DIM;
 	dlg.button_key_active.atr = A_REVERSE;
 	dlg.button_key_inactive.atr = A_BOLD;
 	dlg.button_label_active.atr = A_REVERSE;
-	dlg.button_label_inactive.atr = A_NORMAL;
-	dlg.inputbox.atr = A_NORMAL;
 	dlg.position_indicator.atr = A_BOLD;
-	dlg.menubox.atr = A_NORMAL;
-	dlg.menubox_border.atr = A_NORMAL;
-	dlg.item.atr = A_NORMAL;
 	dlg.item_selected.atr = A_REVERSE;
 	dlg.tag.atr = A_BOLD;
 	dlg.tag_selected.atr = A_REVERSE;