docs: update credits

Author: chrisgrieser

README.md

@@ -439,8 +439,6 @@ digital economy. For my PhD project, I investigate the governance of the app
 economy and how software ecosystems manage the tension between innovation and
 compatibility. If you are interested in this subject, feel free to get in touch.
 
-I also occasionally blog about vim: [Nano Tips for Vim](https://nanotipsforvim.prose.sh)
-
 - [Website](https://chris-grieser.de/)
 - [Mastodon](https://pkm.social/@pseudometa)
 - [ResearchGate](https://www.researchgate.net/profile/Christopher-Grieser)