update readme

Author: Nadia Eghbal

CONTRIBUTING.md

@@ -59,10 +59,6 @@ Once you have that set up, run:
 
 …and open http://localhost:4000 in your web browser.
 
-## Contribution review process
-
-This repo is currently maintained by @nayafia and @mikemcquaid, who have commit access. They will likely review your contribution. If you haven't heard from anyone in 10 days, feel free to bump the thread or @-mention a maintainer to review your contribution.
-
 ## Community
 
 Discussions about the Open Source Guides take place on this repository's [Issues](https://github.com/github/opensource.guide/issues) and [Pull Requests](https://github.com/github/opensource.guide/pulls) sections. Anybody is welcome to join these conversations. There is also a [mailing list](http://eepurl.com/cecpnT) for regular updates.