This reverts commit 11ad50074b.
Unfortunately, udpsocket strikes back this time on OS X < 10.10 -
never seens these test failing before. Since this prevents 5.6->5.7
merge, I have to revert it until the problem investigated/fixed on OS X.
Alas :(
Change-Id: I52f6512d88c25d2e3071cb845e91faefbd455e27
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>