remove obsolete text

Author: danez

packages/website/src/pages/index.mdx

@@ -15,8 +15,7 @@ return value is a JSON blob / JavaScript object.
 
 It provides a default implementation for React components defined via
 `React.createClass`, [ES2015 class definitions][classes] or functions (stateless
-components). These component definitions must follow certain guidelines in order
-to be analyzable (see below for more info).
+components).
 
 <Callout type="info" emoji="">
   react-docgen is a low-level tool to extract information about react