cleanup examples in README.md
cleanup examples in README.md

beaurushton/react-native-tableview-simple,Purii/react-native-tableview-simple,Purii/react-native-tableview-simple,Purii/react-native-tableview-simple,Purii/react-native-tableview-simple,beaurushton/react-native-tableview-simple,beaurushton/react-native-tableview-simple