Update README.md

Author: mikebronner

README.md

@@ -151,7 +151,6 @@ Laravel app.
 ## Possible Future Improvements
 - [caching of lazy-loaded relationships, see #127](https://github.com/GeneaLabs/laravel-model-caching/issues/127).
 - [caching of global scopes, see #106](https://github.com/GeneaLabs/laravel-model-caching/issues/106).
-- [support for multiple versions of Laravel, see #126](https://github.com/GeneaLabs/laravel-model-caching/issues/126).
 
 ## Summary
 **That's all you need to do. All model queries and relationships are now