Remove preventDefaultTouchmoveEvent in favor of using css touchAction: pan-x

[xiaolin]

preventDefaultTouchmoveEvent prop is not working well, replace it with a css alternative.
see https://github.com/FormidableLabs/react-swipeable#how-to-use-touch-action-to-prevent-scrolling

[xiaolin]

Released in https://github.com/xiaolin/react-image-gallery/releases/tag/v1.1.0