removed 'beta' related items (reactplay#837)

CREATE-PLAY.md

@@ -25,7 +25,7 @@ Welcome developers! We are as excited as you are to know that you are going to c
  You might check the [README](README.md) file for more details.
 
 - You should be able to access the application on http:https://localhost:3000
-- Click on `Create` button. Note, its a `beta` feature, feel free to [log issue](https://github.com/reactplay/react-play/issues) (if any)
+- Click on `Create` button.
 - The application will try to authenticate you
 - If you are NOT already logged in with [`NHost`](https://nhost.io), you will be prompted to give permission
  - Log in with your GitHub account

src/common/header/HeaderNav.jsx

@@ -89,7 +89,6 @@ const HeaderNav = ({ showBrowse }) => {
  >
  <IoAddSharp className="icon" />
  <span className="btn-label">Create</span>
- <span className="create-button-badge">beta</span>
  </a>
  ) : (
  <a

src/common/playideas/PlayIdeas.jsx

@@ -140,7 +140,6 @@ const PlayIdeas = () => {
  >
  <IoAddSharp className="icon" />
  <span className="btn-label">Create</span>
- <span className="create-button-badge">beta</span>
  </a>
  ) : (
  <a