Hi,
this feature is already present, but hidden, we wait because before we want release a documentation and create a user-friendly way.
to unlink profile you can create buttons with these link:
- index.php?option=com_jsn&view=facebook&task=unset (facebook)
- index.php?option=com_jsn&view=twitter&task=unset (twitter)
- index.php?option=com_jsn&view=google&task=unset (google+)
- index.php?option=com_jsn&view=linkedin&task=unset (linkedin)