Update .npmignore
Update .npmignore

* Remove things that are not really needed/useful in npm package
brentertz/react-suitcssify,jeremejevs/react-suitcssify,brentertz/react-suitcss-mixin,jeremejevs/react-suitcssify,brentertz/react-suitcss-mixin,brentertz/react-suitcssify