Update proptypes doc (#9391)

* Update proptypes doc * Removed note
8 years ago · 7922c94642
1 changed files with 0 additions and 2 deletions
--- a/contributing/codebase-overview.md
+++ b/contributing/codebase-overview.md
@ -301,10 +301,8 @@ While the code is separated in the source tree, the exact package boundaries are
 The "core" of React includes all the [top-level `React` APIs](/react/docs/top-level-api.html#react), for example:

 * `React.createElement()`
-* `React.createClass()`
 * `React.Component`
 * `React.Children`
-* `React.PropTypes`

 **React core only includes the APIs necessary to define components.** It does not include the [reconciliation](/react/docs/reconciliation.html) algorithm or any platform-specific code. It is used both by React DOM and React Native components.