make Utils::HostOsInfo have zero runtime cost

Change-Id: I2d5bf2324a81bedcbe6ea0bb8d8a0eead94e52e4
Reviewed-by: hjk <qthjk@ovi.com>

src/libs/utils/hostosinfo.cpp

@@ -1,58 +0,0 @@
-/**************************************************************************
-**
-** This file is part of Qt Creator
-**
-** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
-**
-** Contact: http://www.qt-project.org/
-**
-**
-** GNU Lesser General Public License Usage
-**
-** 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.
-**
-** Other Usage
-**
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**************************************************************************/
-#include "hostosinfo.h"
-
-namespace Utils {
-
-HostOsInfo::HostOs HostOsInfo::hostOs()
-{
-#if defined(Q_OS_WIN)
-    return HostOsWindows;
-#elif defined(Q_OS_LINUX)
-    return HostOsLinux;
-#elif defined(Q_OS_MAC)
-    return HostOsMac;
-#elif defined(Q_OS_UNIX)
-    return HostOsOtherUnix;
-#else
-    return HostOsOther;
-#endif
-}
-
-bool HostOsInfo::isAnyUnixHost()
-{
-#ifdef Q_OS_UNIX
-    return true;
-#else
-    return false;
-#endif
-}
-
-} // namespace Utils