code: def deregister(cls, name: str) -> None:
          
          if name not in cls.available:
              raise ConnectionPluginNotRegistered(
                  f"Connection {name!r} is not registered"
              )
          cls.available.pop(name)
docs: Deregisters a registered connection plugin by its name
  
          Args:
              name: name of the connection plugin to deregister
  
          Raises:
              :obj:`nornir.core.exceptions.ConnectionPluginNotRegistered`