Remove leftover unused signal handler from gstlal_inspiral
According to @patrick.godwin, the OneTimeSignalHandler
leftover in gstlal_inspiral
is an oversight. It's not called anywhere else
$ grep -r 'OneTimeSignalHandler' --exclude-dir=.git
gstlal-burst/bin/gstlal_snax_whiten: simplehandler.OneTimeSignalHandler(pipeline)
gstlal-burst/bin/gstlal_snax_extract: simplehandler.OneTimeSignalHandler(pipeline)
gstlal/python/stream.py: simplehandler.OneTimeSignalHandler(self.pipeline)
gstlal/python/stream.py: class SigHandler(simplehandler.OneTimeSignalHandler):
gstlal/python/psd.py: simplehandler.OneTimeSignalHandler(pipeline)
gstlal/python/simplehandler.py:class OneTimeSignalHandler(object):