Merge pull request #2455 from webcomponents/react19

Update to use the released react 19.

Author: rictic

README.md

@@ -39,7 +39,6 @@ npm start
 - [Polymer](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/polymer)
 - [Preact](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/preact)
 - [React](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/react)
-- [React Beta](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/react-beta)
 - [Riot.js](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/riot)
 - [Skate](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/skate)
 - [Solid](https://github.com/webcomponents/custom-elements-everywhere/tree/master/libraries/solid)

docs/index.js

@@ -34,7 +34,6 @@ const libraryMap = {
   polymer: "Polymer",
   preact: "Preact",
   react: "React",
-  'react-beta': "React Beta",
   riot: "Riot.js",
   skate: "Skate w/ Preact",
   solid: "Solid",