Remove hacktoberfest info from README

README.md

@@ -24,11 +24,6 @@
 
 </p>
 
-<img src="docs/static/img/hacktoberfest-logo.png" width="50" align="center">**Hacktoberfest**<br>
-> The Graaf project participates in [Hacktoberfest 2023](https://hacktoberfest.com/). For a step-by-step guide on how
-> to contribute, please take a look at our [wiki](https://github.com/bobluppes/graaf/wiki). Also, feel free to join
-> out [Discord](https://discord.gg/cGczwRHJ9K) in case of any problems, or simply to hang out with other contributors.
-
 # About
 
 Graph is an abstract data type that is widely used in computer science. It is a collection of vertices (nodes) and edges