stop prepending CSS with spaces (fixes #140)

src/generate/css/process.js

@@ -1,6 +1,5 @@
-import spaces from '../../utils/spaces.js';
 import transform from './transform.js';
 
 export default function process ( parsed ) {
-	return transform( spaces( parsed.css.content.start ) + parsed.css.content.styles, parsed.hash );
+	return transform( parsed.css.content.styles, parsed.hash );
 }