Editors: Provide a base implementation for {save,restore}State

Change-Id: Iedfc0d59ecfe257ad5823cff39977bce82ada3a5
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/vcsbase/vcsbasesubmiteditor.cpp

@@ -437,16 +437,6 @@ QWidget *VcsBaseSubmitEditor::toolBar()
     return d->m_toolWidget;
 }
 
-QByteArray VcsBaseSubmitEditor::saveState() const
-{
-    return QByteArray();
-}
-
-bool VcsBaseSubmitEditor::restoreState(const QByteArray &/*state*/)
-{
-    return true;
-}
-
 QStringList VcsBaseSubmitEditor::checkedFiles() const
 {
     return d->m_widget->checkedFiles();