Remove job_resolver from the list of job resolvers.

        Keyword arguments:
        job_resolver -- Function reference of the job resolver to be removed.

def remove_job_resolver(self, job_resolver):
        """Remove job_resolver from the list of job resolvers.

        Keyword arguments:
        job_resolver -- Function reference of the job resolver to be removed.
        """
        for i, r in enumerate(self.job_resolvers()):
            if job_resolver == r:
                del self._job_resolvers[i]