Remove changeEvent(QEvent::LanguageChange) implementation

This was implemented only for a small set of widgets. It's unlikely that
we will ever have or even want a dynamic language selection, until then
this code is only dead freight.

Change-Id: I1bff4e1e89057786c0e5cb57225a508c5d390d9c
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/git/remotedialog.h

@@ -68,7 +68,8 @@ private:
 // RemoteDialog:
 // --------------------------------------------------------------------------
 
-class RemoteDialog : public QDialog {
+class RemoteDialog : public QDialog
+{
     Q_OBJECT
 
 public:
@@ -86,11 +87,6 @@ public slots:
 
     void updateButtonState();
 
-private slots:
-
-protected:
-    void changeEvent(QEvent *e);
-
 private:
     Ui::RemoteDialog *m_ui;