downgrade readme

README.md

@@ -90,13 +90,6 @@ expander.addEventListener('text-expander-value', function(event) {
 })
 ```
 
-**`text-expander-dismiss`** is an event the text-expander-element is listening to. The event can be fired in order to hide the menu provided through `provide` method. It is not expecting any parameter. It is used internally to hide the menu when Escape key it hit.
-
-```js
-const expander = document.querySelector('text-expander')
-expander.dispatchEvent('text-expander-dismiss')
-
-```
 ## Browser support
 
 Browsers without native [custom element support][support] require a [polyfill][].