The deployed app can be removed by deleting the deployment.
Delete a deployment by the following steps:
Navigate to the Catalog → Apps page.
Select the deployment that should be deleted.
Select the Deployments tab at the top.
Locate the appropriate app deployment.
To do this, use information such as App Name and App ID.
The deletion process is started by pressing the Delete button.
Follow the delete dialog to delete the deployment.
The deletion process may take a few seconds.
Navigate to the Manage → Apps page and verify if the app is successfully deleted.