Update configuration philosophy (#1768)

* Update configuration philosophy

* Remove explanation

Author: Timer

README.md

@@ -143,7 +143,7 @@ Please refer to the [User Guide](https://github.com/facebookincubator/create-rea
 
 * **One Dependency:** There is just one build dependency. It uses Webpack, Babel, ESLint, and other amazing projects, but provides a cohesive curated experience on top of them.
 
-* **Zero Configuration:** You don't need to configure anything. Reasonably good configuration of both development and production builds is handled for you so you can focus on writing code.
+* **No Configuration Required:** You don't need to configure anything. Reasonably good configuration of both development and production builds is handled for you so you can focus on writing code.
 
 * **No Lock-In:** You can “eject” to a custom setup at any time. Run a single command, and all the configuration and build dependencies will be moved directly into your project, so you can pick up right where you left off.