Remove the createapp.dev/webpack link

https://createapp.dev/webpack now resolves to a holding website.  The domain expired on the 1st of March 2025. Until it is back up this is not a helpful tip to have in the docs.

Author: JoePittsy

src/content/configuration/index.mdx

@@ -24,8 +24,6 @@ contributors:
 
 Out of the box, webpack won't require you to use a configuration file. However, it will assume the entry point of your project is `src/index.js` and will output the result in `dist/main.js` minified and optimized for production.
 
-T> [createapp.dev](https://createapp.dev/webpack) is an online tool for creating custom webpack configurations. It allows you to select various features that will be combined and added to the resulting configuration file. Also, it generates an example project based on provided webpack configuration that you can review in your browser and download.
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 Usually, your projects will need to extend this functionality, for this you can create a `webpack.config.js` file in the root folder and webpack will automatically use it.
 
 All the available configuration options are specified below.