Main: Replace macro usage with HostOsInfo

Change-Id: I6ac6cbe39ba6552b30dc109a2310bff8c16b84e0
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/app/main.cpp

@@ -222,9 +222,8 @@ static inline QStringList getPluginPaths()
     //    "$XDG_DATA_HOME/data/QtProject/qtcreator" or "~/.local/share/data/QtProject/qtcreator" on Linux
     //    "~/Library/Application Support/QtProject/Qt Creator" on Mac
     pluginPath = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation);
-#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
-    pluginPath += QLatin1String("/data");
-#endif
+    if (Utils::HostOsInfo::isAnyUnixHost() && !Utils::HostOsInfo::isMacHost())
+        pluginPath += QLatin1String("/data");
     pluginPath += QLatin1Char('/')
             + QLatin1String(Core::Constants::IDE_SETTINGSVARIANT_STR)
             + QLatin1Char('/');