Remove some dead code.

src/plugins/coreplugin/editormanager/editorsplitter.h

-/**************************************************************************
-**
-** This file is part of Qt Creator
-**
-** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-**
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** No Commercial Usage
-**
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-**
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**************************************************************************/
-
-#ifndef EDITORSPLITTER_H
-#define EDITORSPLITTER_H
-
-#include <QtCore/QMap>
-#include <QtCore/QList>
-#include <QtCore/QString>
-#include <QtCore/QSettings>
-#include <QtGui/QWidget>
-#include <QtGui/QAction>
-#include <QtGui/QSplitter>
-
-namespace Core {
-
-class EditorGroup;
-class IEditor;
-
-namespace Internal {
-
-class EditorSplitter : public QWidget
-{
-    Q_OBJECT
-
-public:
-    explicit EditorSplitter(QWidget *parent = 0);
-    ~EditorSplitter();
-
-    void setCurrentGroup(Core::EditorGroup *group);
-    EditorGroup *currentGroup() const;
-    QList<EditorGroup*> groups() const;
-
-    void split(Qt::Orientation orientation);
-
-    void saveSettings(QSettings *settings) const;
-    void readSettings(QSettings *settings);
-    QByteArray saveState() const;
-    bool restoreState(const QByteArray &state);
-
-    QMap<QString,EditorGroup *> pathGroupMap();
-
-public slots:
-    void unsplit();
-
-signals:
-    void closeRequested(Core::IEditor *editor);
-    void editorGroupsChanged();
-
-private slots:
-    void splitHorizontal();
-    void splitVertical();
-    void gotoNextEditor();
-    void gotoPreviousEditor();
-    void updateActions();
-    void selectNextGroup();
-    void selectPreviousGroup();
-    void moveDocToNextGroup();
-    void moveDocToPreviousGroup();
-    void saveCurrentLayout();
-    void restoreDefaultLayout();
-
-private:
-    enum Side {LEFT = 0, RIGHT = 1};
-
-    void registerActions();
-    void createRootGroup();
-    EditorGroup *createGroup();
-    void deleteGroup(EditorGroup *group);
-    void collectGroups(QWidget *widget, QList<EditorGroup*> &groups) const;
-    EditorGroup *groupFarthestOnSide(QWidget *node, Side side) const;
-    EditorGroup *nextGroup(EditorGroup *curGroup, Side side) const;
-    void moveDocToAdjacentGroup(Side side);
-    void saveState(QWidget *current, QDataStream &stream) const;
-    EditorGroup *restoreState(EditorGroup *current, QDataStream &stream);
-    QSplitter *split(Qt::Orientation orientation, EditorGroup *group);
-    void fillPathGroupMap(QWidget *current, QString currentPath,
-                          QMap<QString,EditorGroup *> &map);
-    void unsplitAll();
-    void unsplitAll(QWidget *node, QList<IEditor *> &editors);
-    QWidget *recreateGroupTree(QWidget *node);
-    int editorCount() const;
-
-    QWidget *m_root;
-    EditorGroup *m_curGroup;
-
-    QAction *m_horizontalSplitAction;
-    QAction *m_verticalSplitAction;
-    QAction *m_unsplitAction;
-#if 0
-    QAction *m_gotoNextEditorAction;
-    QAction *m_gotoPreviousEditorAction;
-#endif
-    QAction *m_gotoNextGroupAction;
-    QAction *m_gotoPreviousGroupAction;
-    QAction *m_moveDocToNextGroupAction;
-    QAction *m_moveDocToPreviousGroupAction;
-    QAction *m_currentAsDefault;
-    QAction *m_restoreDefault;
-};
-
-} // namespace Internal
-} // namespace Core
-
-#endif // EDITORSPLITTER_H

src/plugins/projectexplorer/directoryproject.cpp

-/**************************************************************************
-**
-** This file is part of Qt Creator
-**
-** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-**
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** No Commercial Usage
-**
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-**
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights.  These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**************************************************************************/
-
-#include "directoryproject.h"
-