Task IIS - Delete Website Application
The IIS - Delete Website Application Task removes an existing application from a website in Internet Information Services (IIS).

Connection
To use IIS Tasks you need to create an IIS Connection first. Click the Settings icon to open the Manage Connections dialog.
Web site name
The name of the parent website containing the application to delete. Click the Refresh icon to populate the drop-down list with available websites.
Application name
The name of the application to delete from the selected website.