Fetch API articles link is broken

[pratik227]

URL - https://v2.vuejs.org/v2/cookbook/using-axios-to-consume-apis.html#Fetch-API

https://github.com/vuejs/v2.vuejs.org/blob/master/src/v2/cookbook/using-axios-to-consume-apis.md

very good articles(https://scotch.io/@bedakb/lets-build-type-ahead-component-with-vuejs-2-and-fetch-api)

[Jinjiang]

Considering Fetch API is already widely known, I think we can just remove that paragraph until we find another better article to replace it.