Remove apps from your cloud

You don’t remove apps from iCloud. Apps are not stored in iCloud. Your purchase history is part of your Apple ID/iCloud account and that never changes. It will also be associated with your Apple ID. Therefore all apps and purchases will always be tied to your ID and cannot be removed.

All of the Apps you’ve purchased are only available for download from the App Store. As Demo mentioned, all that’s linked to you is what you’ve purchased, not the app installers themselves.

You can can hide things in your purchase history (Hide App Store purchases - Apple Support) but not delete them.