chore: remove github sponsors mismention

Author: canerakdas

apps/site/pages/en/about/partners.mdx

@@ -23,8 +23,7 @@ without we can't test and release new versions of Node.js.
 ## Supporters
 
 Supporters are individuals and organizations that provide financial support through
-[OpenCollective](https://opencollective.com/nodejs) and [GitHub Sponsors](https://github.com/sponsors/nodejs)
-of the Node.js project.
+[OpenCollective](https://opencollective.com/nodejs) of the Node.js project.
 
 <WithSupporters />