Vcs/Text search: Remove a few addAutoReleaseObject uses

Using a QObject parent suffices here.

Change-Id: I4dc5448511d55bf14fbd8f810e91336a49e94094
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/vcsbase/vcsplugin.cpp

@@ -85,7 +85,6 @@ bool VcsPlugin::initialize(const QStringList &arguments, QString *errorMessage)
     });
 
     m_settingsPage = new CommonOptionsPage;
-    addAutoReleasedObject(m_settingsPage);
     addAutoReleasedObject(VcsOutputWindow::instance());
     connect(m_settingsPage, &CommonOptionsPage::settingsChanged,
             this, &VcsPlugin::settingsChanged);