IpcServer: Remove docOpen(), fileOpen(). MainWindow will do it

As it is no longer subject to sandboxing as a whole, it is not
restricted and thus, should call these functions itself

gui/ipcserver.h

@@ -8,12 +8,7 @@ class IpcServer : public QObject
 {
 	Q_OBJECT
   private:
-	QSharedPointer<DatabaseFactory> dbFactory;
-	QSharedPointer<SqliteDbService> dbService;
-	QSharedPointer<FileSaver> fileSaver;
 	QLocalServer spawningServer;
-	bool docOpen(QString path, int pagenum);
-	bool fileOpen(QString path);
 	SaveFileResult addFile(QString file);
   private slots:
 	void spawnerNewConnection();