You can remove or delete some built-in apps from your iPad. If you change your mind, you can download the apps again later.
Note: When you remove a built-in app from your iPad, you also delete any related user data and configuration files. Removing built-in apps from your Home Screen can also affect other system functionality.
Do any of the following:
Remove an app from the Home Screen: Touch and hold the app on the Home Screen, tap Remove App, then tap Remove from Home Screen to keep it in App Library, or tap Delete App to delete it from iPad.
Delete an app from App Library and the Home Screen: Touch and hold the app in App Library, tap Delete App, then tap Delete. (See redownload the app. See Mail
Shortcuts
Change the default apps on iPad