inspiral_intrinsics: adjust uniform-in-template model

- set ln(P) to 0.  template_ids is just the IDs for one chunk of the bank, not all the templates, so the previous version was not doing a uniform-in-template weighting.

gstlal-inspiral/python/stats/inspiral_intrinsics.py

@@ -62,7 +62,7 @@ class UniformInTemplatePopulationModel(object):
 		Assumes uniform in template population model, no
                 astrophysical prior.
 		"""
-		self.lnP = -math.log(len(template_ids))
+		self.lnP = 0.
 
 
 	@gstlalstats.assert_ln_probability