My son went cold turkey with his wrap because I was sooooooooooo sick of having to go in all the time and try re-wrap and settle and blah blah blah!!!
It was hard but it took a few days for him to learn to nod off himself. There were heaps of tears because he didn't know what to do with himself but I would go in and stroke his head and sing and if he got to the point that he was getting hysterical I would pick him up and comfort him until he stopped crying. This went on for about 4 days. That was 5mths ago and he goes off to sleep quite happily by himself now.