revert: remove support section and badge

Removed Ko-fi/Sponsors links and badge from README.

Author: codenimja

README.md

@@ -5,7 +5,6 @@
 [![Nimble](https://img.shields.io/badge/nimble-v1.1.0-orange.svg)](https://nimble.directory/pkg/nimsync)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
 [![Nim](https://img.shields.io/badge/nim-2.0.0%2B-yellow.svg?style=flat&logo=nim)](https://nim-lang.org)
-[![Support](https://img.shields.io/badge/support-ko--fi-ff5e5b?logo=ko-fi&logoColor=white)](https://ko-fi.com/codenimja)
 ![Peak](https://img.shields.io/badge/peak-558M_ops/sec-success)
 ![P99](https://img.shields.io/badge/p99_latency-31ns-blue)
 ![Contention](https://img.shields.io/badge/contention-0%25-brightgreen)
@@ -308,10 +307,3 @@ We document performance honestly. We benchmark rigorously. We're transparent abo
 
 **Open source async runtime built with Nim.** Contributions welcome - see issues for high-impact areas.
 
-## Support
-
-If you find nimsync useful, you can support continued development:
-
-- [Ko-fi](https://ko-fi.com/codenimja)
-- [GitHub Sponsors](https://github.com/sponsors/codenimja)
-