src/mainwindow.cpp: don't keep delayedResize timer

We don't need to keep the delayedResize timer around for later. We will
potentially use the delayedLoad timer again, but not the delayedResize
timer after it has been used the first time.

src/mainwindow.cpp

@@ -75,7 +75,6 @@ MainWindow::MainWindow() : QMainWindow()
 
     network_interface = new QNetworkInterface();
 
-    delayedResize = new QTimer();
     delayedLoad = new QTimer();
 
 #ifdef USE_TESTLIB
@@ -346,7 +345,7 @@ void MainWindow::setupWindow()
     if (qwkSettings->getBool("view/startup_resize_delayed")) {
         delay_resize = qwkSettings->getUInt("view/startup_resize_delay");
     }
-    delayedResize->singleShot(delay_resize, this, SLOT(delayedWindowResize()));
+    QTimer::singleShot(delay_resize, this, SLOT(delayedWindowResize()));
 
     int delay_load = 0;
     if (qwkSettings->getBool("browser/startup_load_delayed")) {

src/mainwindow.h

@@ -146,7 +146,6 @@ protected slots:
     QNetworkSession *n_session;
     QNetworkInterface *network_interface;
 
-    QTimer *delayedResize;
     QTimer *delayedLoad;
 };