Updating sponsor as per GH issue #339

Author: Bidek56

README.md

@@ -212,12 +212,6 @@ If you want a bleeding edge release or maximal performance you should compile **
 ## Webpack configuration
 To use `nodejs-polars` with [Webpack](https://webpack.js.org) please use [node-loader](https://github.com/webpack-contrib/node-loader) and `webpack.config.js`
 
-## Acknowledgements
-
-Development of Polars is proudly powered by
-
-[![Xomnia](https://raw.githubusercontent.com/pola-rs/polars-static/master/sponsors/xomnia.png)](https://www.xomnia.com/)
-
 ## Sponsors
 
-[<img src="https://raw.githubusercontent.com/pola-rs/polars-static/master/sponsors/xomnia.png" height="40" />](https://www.xomnia.com/) &emsp; [<img src="https://www.jetbrains.com/company/brand/img/jetbrains_logo.png" height="50" />](https://www.jetbrains.com)
+[<img src="https://www.jetbrains.com/company/brand/img/jetbrains_logo.png" height="50" alt="JetBrains logo" />](https://www.jetbrains.com)