chore(README): Remove codesponsor

Author: danez

README.md

@@ -330,5 +330,3 @@ You can also always just simply copy the default style to your own css/scss/less
 ## License
 
 MIT
-
-<a href="https://app.codesponsor.io/link/napKqUy7ZTEunMtesQZm9ygE/reactjs/react-tabs" rel="nofollow" target="_blank"><img src="https://app.codesponsor.io/embed/napKqUy7ZTEunMtesQZm9ygE/reactjs/react-tabs.svg" style="width: 888px; height: 68px;" alt="Sponsor" /></a>