chore: update react.md

Author: woothu

REACT.md

@@ -7,27 +7,6 @@ It uses Sass (with .scss). The styles are loaded at the template level with `nod
 
 Dependencies are handled by **npm**.
 
-## Directories
-```
-CoreUI-React#v2.0.0
-├── public/      (static files)
-│   ├── assets/    (assets)
-│   ├── favicon.ico  
-│   └── index.html (html temlpate)
-│
-├── src/             (project root)
-│   ├── containers/  (container source)
-│   ├── scss/        (scss/css source)
-│   ├── views/       (views source)
-│   ├── App.js
-│   ├── App.test.js
-│   ├── index.js
-│   ├── _nav.js      (sidebar config)
-│   └── routes.js    (routes config)
-│
-└── package.json
-```
-
 ## Usage
 `npm i` - to install dependencies
 
@@ -37,5 +16,4 @@ CoreUI-React#v2.0.0
 
 ## See also
 [Create-React-App](CRA.md)
-[Changelog](./CHANGELOG.md)  
 [Readme](./README.md)