Error when removing pin that was already removed

[ovv]

https://sentry.io/pyslackers/sir-bot-a-lot/issues/600214350/

SlackAPIError: no_pin
(2 additional frame(s) were not displayed)
...
  File "sirbot-pyslackers/endpoints/slack/actions.py", line 286, in pin_added_revert
    data=remove_data
  File "slack/io/abc.py", line 83, in query
    return await self._make_query(url, body, headers)
  File "slack/io/abc.py", line 53, in _make_query
    response_data = sansio.decode_response(status, rep_headers, rep_body)
  File "slack/sansio.py", line 186, in decode_response
    raise_for_api_error(headers, data)
  File "slack/sansio.py", line 59, in raise_for_api_error
    raise exceptions.SlackAPIError(data.get('error', 'unknow_error'), headers, data)

no_pin