Remove out-of-date note from CONTRIBUTING.md (#14986)

Author: eyalkutz

CONTRIBUTING.md

@@ -62,8 +62,6 @@ When [opening a new issue](https://github.com/sveltejs/svelte/issues/new/choose)
 
 ## Pull requests
 
-> HEADS UP: Svelte 5 will likely change a lot on the compiler. For that reason, please don't open PRs that are large in scope, touch more than a couple of files etc. In other words, bug fixes are fine, but big feature PRs will likely not be merged.
-
 ### Proposing a change
 
 If you would like to request a new feature or enhancement but are not yet thinking about opening a pull request, you can also file an issue with [feature template](https://github.com/sveltejs/svelte/issues/new?template=feature_request.yml).