revert Prettier formatting in SkipLink

Author: dcastil

packages/docs/src/components/skip-link.js

@@ -1,7 +1,7 @@
 /** @jsx jsx */
 import { jsx } from 'theme-ui'
 
-export default (props) => (
+export default props => (
   <a
     children="Skip to content"
     {...props}