docs: udpate examples README (#3904)

Author: snitin315

examples/README.md

@@ -11,14 +11,11 @@ An example should be as minimal as possible and consists of at least:
 - A description of what should happen when running the example.
 - A `webpack.config.js` file containing the `webpack` configuration for the example app.
 
-## API versus CLI
+## API
 
 API examples can be found in the `api` directory. These examples demonstrate how
 to access and run `webpack-dev-server` directly in your application / script.
 
-CLI examples can be found in the `cli` directory. These examples demonstrate how
-to run `webpack-dev-server` from the command line in your console / terminal.
-
 ## Notes
 
 - Each example's `webpack` config is wrapped with `util.setup`; a helper function