Maemo: Remove "cd" call from package creation preparation.

At some point, we thought it was necessary, but apparently it's not.

Reviewed-by: kh1

src/plugins/qt4projectmanager/qt-maemo/maemopackagecreationstep.cpp

@@ -536,8 +536,6 @@ bool MaemoPackageCreationStep::preparePackagingProcess(QProcess *proc,
 
     proc->setEnvironment(env.toStringList());
     proc->setWorkingDirectory(workingDir);
-    proc->start("cd " + workingDir);
-    proc->waitForFinished();
     return true;
 }