'Remove a paremeter listener that was previously added using :py:func:`add_attribute_listener`.
For example to remove the ``thr_min_callback()`` callback function:
.. code:: python
vehicle.parameters.remove_attribute_listener(\'thr_min\', thr_min_callback)
See :ref:`vehicle_state_observing_parameters` for more information.
:param String attr_name: The parameter name that is to have an observer removed (or \'*\' to remove an \'all attribute\' observer).
:param args: The callback function to remove.'

def remove_attribute_listener(self, attr_name, *args, **kwargs):

    attr_name = attr_name.upper()
    return super(Parameters, self).remove_attribute_listener(attr_name, *args, **kwargs)
