kconfig: qconf: remove toolBar from ConfigMainWindow members

This pointer is only used in the ConfigMainWindow constructor.

Drop it from the private members.
Signed-off-by: NMasahiro Yamada <masahiroy@kernel.org>

scripts/kconfig/qconf.cc

@@ -1432,7 +1432,7 @@ ConfigMainWindow::ConfigMainWindow(void)
 	setTabOrder(configList, helpText);
 	configList->setFocus();
 
-	toolBar = new QToolBar("Tools", this);
+	QToolBar *toolBar = new QToolBar("Tools", this);
 	addToolBar(toolBar);
 
 	backAction = new QAction(QPixmap(xpm_back), "Back", this);

scripts/kconfig/qconf.h

@@ -326,7 +326,6 @@ public slots:
 	ConfigView *configView;
 	ConfigList *configList;
 	ConfigInfoView *helpText;
-	QToolBar *toolBar;
 	QAction *backAction;
 	QAction *singleViewAction;
 	QAction *splitViewAction;