Remove unused and unusable implementations of moveItem: and moveSection: (#2863)
Remove unused and unusable implementations of moveItem: and moveSection: (#2863)


aaronschubert0/AsyncDisplayKit,JetZou/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,maicki/AsyncDisplayKit,lappp9/AsyncDisplayKit,flovouin/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,rmls/AsyncDisplayKit,harryworld/AsyncDisplayKit,harryworld/AsyncDisplayKit,flovouin/AsyncDisplayKit,flovouin/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,JetZou/AsyncDisplayKit,rmls/AsyncDisplayKit,rmls/AsyncDisplayKit,JetZou/AsyncDisplayKit,harryworld/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,maicki/AsyncDisplayKit,lappp9/AsyncDisplayKit,rmls/AsyncDisplayKit,JetZou/AsyncDisplayKit,maicki/AsyncDisplayKit,lappp9/AsyncDisplayKit,lappp9/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,harryworld/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,JetZou/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,rmls/AsyncDisplayKit,maicki/AsyncDisplayKit,maicki/AsyncDisplayKit,flovouin/AsyncDisplayKit,harryworld/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,flovouin/AsyncDisplayKit