chore: Update readme (refinedev#3866)

README.md

@@ -42,14 +42,11 @@
 [![Maintainability](https://api.codeclimate.com/v1/badges/99a65a191bdd26f4601c/maintainability)](https://codeclimate.com/github/pankod/refine/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/99a65a191bdd26f4601c/test_coverage)](https://codeclimate.com/github/pankod/refine/test_coverage)
 [![npm version](https://img.shields.io/npm/v/@refinedev/core.svg)](https://www.npmjs.com/package/@refinedev/core)
-[![npm](https://img.shields.io/npm/dm/@refinedev/core)](https://www.npmjs.com/package/@refinedev/core)
 [![](https://img.shields.io/github/commit-activity/m/refinedev/refine)](https://github.com/refinedev/refine/commits/next)
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.0-4baaaa.svg)](CODE_OF_CONDUCT.md)
 
 
-<a href="https://refine.dev/blog/refine-hackathon/">
-  <img alt="refine hackathon" src="https://refine.ams3.cdn.digitaloceanspaces.com/blog/2023-01-06-hackaton-january/social_prizes.png" />
-</a>
+