Don't print spurious notifications, since they mostly pop up for canceled

jobs and spam the pytest suite, since pytest doesn't capture the log after
the test is done.

Author: hategan

src/psij/utils.py

@@ -201,6 +201,6 @@ def _process_update_data(self, data: bytes) -> None:
                 try:
                     (job, executor) = self._jobs[job_id]
                 except KeyError:
-                    logger.debug('Received status updated for inexistent job with id %s' % job_id)
+                    pass
             if job:
                 executor._set_job_status(job, JobStatus(state))