Update index.md (#9562)

removed bullet from Line 487 "and more" as seen in  image 

![image](https://user-images.githubusercontent.com/11768143/47724445-b7a68880-dc7c-11e8-9575-dda4df61a711.png)


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docs/tutorial/part-two/index.md

@@ -484,7 +484,8 @@ yet for your favorite CSS option,
 - [Emotion](/packages/gatsby-plugin-emotion/)
 - [JSS](/packages/gatsby-plugin-jss/)
 - [Stylus](/packages/gatsby-plugin-stylus/)
-- and more!
+
+ and more!
 
 ## What's coming next?