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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def remove_collaborator(self, login):
 """Remove collaborator ``login`` from the repository. :param str login: (required), login name of the collaborator :returns: bool """

        resp = False
        if login:
            url = self._build_url('collaborators', login, base_url=self._api)
            resp = self._boolean(self._delete(url), 204, 404)
        return resp