gstlal_iir_inspiral: remove referece to pylal and glue

gstlal-inspiral/bin/gstlal_iir_inspiral

@@ -83,15 +83,15 @@ import gst
 from gstlal import bottle
 
 from ligo import segments
-from glue import segmentsUtils
+from ligo.segments import utils as segmentsUtils
 from glue.ligolw import ligolw
 from glue.ligolw import array as ligolw_array
 from glue.ligolw import param as ligolw_param
 from glue.ligolw import lsctables
 from glue.ligolw import utils as ligolw_utils
 from glue.ligolw.utils import segments as ligolw_segments
-from pylal.datatypes import LIGOTimeGPS
-from pylal import series as lalseries
+from lal import LIGOTimeGPS
+from lal import series as lalseries
 from gstlal import far
 from gstlal import inspiral
 from gstlal import pipeparts