Confirmation step of Delete of Import/Export Mappings does not give informative message

When deleting an Import/Export Mapping, a confirmation message appears with the message: "WARNING : Are you sure you want to delete <Mapping Type>? This action can not be undone." This does not give good confirmation, since there may be multiple mappings with the same type.

To recreate on the Demo:
1. On the CiviCRM Adminstration page, go to Import/Export Mappings
2. Click the delete link for a mapping

View the message as described above.

The message should be changed to list the mappings NAME rather than TYPE.