chore: remove coffee donation section from README

Author: drbarzaga

README.md

@@ -464,18 +464,6 @@ If you would like to contribute, please check out the [contributing guidelines](
 
 If you find this collection helpful, please consider giving it a star ⭐ on GitHub. Your support is greatly appreciated!
 
-You can also support me by buying me a coffee:
-
-<div align="center">
-
-[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/dayanperez)
-
-</div>
-
-<div align="center">
-  <img src="assets/bmc_qr.png" alt="Buy Me a Coffee QR Code" width="200" />
-</div>
-
 ### ✉️ Contact
 
 If you have any questions, suggestions, or feedback, feel free to reach out: