qt: Drop redundant OverviewPage::handleOutOfSyncWarningClicks slot

This change makes a connection directly to the signal that was emitted
in the removed slot.

This commit does not change behavior.

src/qt/overviewpage.cpp

@@ -166,8 +166,8 @@ OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent)
 
     // start with displaying the "out of sync" warnings
     showOutOfSyncWarning(true);
-    connect(ui->labelWalletStatus, &QPushButton::clicked, this, &OverviewPage::handleOutOfSyncWarningClicks);
-    connect(ui->labelTransactionsStatus, &QPushButton::clicked, this, &OverviewPage::handleOutOfSyncWarningClicks);
+    connect(ui->labelWalletStatus, &QPushButton::clicked, this, &OverviewPage::outOfSyncWarningClicked);
+    connect(ui->labelTransactionsStatus, &QPushButton::clicked, this, &OverviewPage::outOfSyncWarningClicked);
 }
 
 void OverviewPage::handleTransactionClicked(const QModelIndex &index)
@@ -176,11 +176,6 @@ void OverviewPage::handleTransactionClicked(const QModelIndex &index)
         Q_EMIT transactionClicked(filter->mapToSource(index));
 }
 
-void OverviewPage::handleOutOfSyncWarningClicks()
-{
-    Q_EMIT outOfSyncWarningClicked();
-}
-
 void OverviewPage::setPrivacy(bool privacy)
 {
     m_privacy = privacy;

src/qt/overviewpage.h

@@ -65,7 +65,6 @@ private Q_SLOTS:
     void handleTransactionClicked(const QModelIndex &index);
     void updateAlerts(const QString &warnings);
     void updateWatchOnlyLabels(bool showWatchOnly);
-    void handleOutOfSyncWarningClicks();
     void setMonospacedFont(bool use_embedded_font);
 };