Qbs: Remove some useless member variables

Change-Id: I648984616ebd965e51ebe6ec6f369a6dfa4fc339
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/qbsprojectmanager/qbsproject.cpp

@@ -362,13 +362,12 @@ void QbsProject::parse(const QVariantMap &config, const QString &dir)
 {
     QTC_ASSERT(!dir.isNull(), return);
     prepareForParsing();
-    m_qbsBuildConfig = config;
-    m_qbsBuildRoot = dir;
 
     QTC_ASSERT(!m_qbsSetupProjectJob, return);
+
     qbs::SetupProjectParameters params;
-    params.setBuildConfiguration(m_qbsBuildConfig);
-    params.setBuildRoot(m_qbsBuildRoot);
+    params.setBuildConfiguration(config);
+    params.setBuildRoot(dir);
     params.setProjectFilePath(m_fileName);
     params.setIgnoreDifferentProjectFilePath(false);
     qbs::Preferences *prefs = QbsManager::preferences();

src/plugins/qbsprojectmanager/qbsproject.h

@@ -132,8 +132,6 @@ private:
     QbsProjectNode *m_rootProjectNode;
 
     qbs::SetupProjectJob *m_qbsSetupProjectJob;
-    QVariantMap m_qbsBuildConfig;
-    QString m_qbsBuildRoot;
 
     QFutureInterface<void> *m_qbsUpdateFutureInterface;
     int m_currentProgressBase;