Remove sponsors

Author: sharkdp

README.md

@@ -10,18 +10,6 @@ A command-line benchmarking tool.
 
 ![hyperfine](https://i.imgur.com/z19OYxE.gif)
 
-### Sponsors
-
-A special *thank you* goes to our biggest <a href="doc/sponsors.md">sponsor</a>:<br>
-
-<a href="https://www.warp.dev/hyperfine">
-  <img src="doc/sponsors/warp-logo.png" width="200" alt="Warp">
-  <br>
-  <strong>Warp, the intelligent terminal</strong>
-  <br>
-  <sub>Available on MacOS, Linux, Windows</sub>
-</a>
-
 ## Features
 
 * Statistical analysis across multiple runs.