Removing `sanitize.css`

Removing sanitize.css

To remove sanitize.css you will need to remove it from both:

import FontFaceObserver from 'fontfaceobserver';
import history from 'utils/history';
-import 'sanitize.css/sanitize.css';
// Import root app
import App from 'containers/App';
"dependencies": {
...
"redux-saga": "0.14.3",
"reselect": "2.5.4",
- "sanitize.css": "4.1.0",
"styled-components": "1.4.3",
...
},