To delete the remot3.it installer completely from your Linux box, use:
sudo dpkg --purge weavedconnectd
To delete orphaned devices in your Remot3.it device list, use the "Delete" action after selecting up to 2 devices:
Currently, deleting a device takes about 30 seconds per device and the action blocks the UI until it is complete. For that reason we have currently limited you to being able to select only 2 devices at a time.