Unable to remove app from App Store on iPhone 11

If you downloaded an app from the App Store and you want to remove that app, tap on the app and then tap on Remove App.

See also:

Delete apps on your iPhone or iPad – Apple Support (UK)

Note:

If you can’t see the option to delete an app

Some built-in Apple apps can’t be deleted from your iPhone or iPad. Here’s a list of built-in Apple apps you can delete from your device. If you can’t delete an app that’s not made by Apple, check your parental control settings. Make sure Deleting Apps is set to Allow, then try deleting the app again.

It is not possible to delete an app from the App Store. That is maintained by Apple. You can offer your feedback to them here:

Product Feedback - Apple