This reverts commit 3b38392844.
The change caused test compile failures with MSVC2015 in qqmlsettings;
a variable was not captured in the lambda expression. This appears
to be a compiler bug of MSVC.
Task-number: QTBUG-59096
Change-Id: I3bf5288eb005b2e1661819bb33bc54fb944d0150
Reviewed-by: Liang Qi <liang.qi@qt.io>
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>