Removes an item from storage. (WARNING: This action is permanent and cannot be undone! Developers must ensure to implement comfirmation dialog to prevent accidental data removal.)
{"msg":"Cloud","action":"Remove","Item":"foo"}

If the item exists, the item will be removed from storage:
{"MSG":"CloudDataRemoved","Item":"foo"}

If the item doesn't exists then the server will cancel the update and send:
{"MSG":"CloudDataNotFound"}

If the cloud account doesn't exists:
{"MSG":"CloudAccountNotRegistered"}