remove dup function definition

cohorts/functions.py

@@ -116,19 +116,6 @@ def indel_filter_fn(filterable_variant, **kwargs):
         **kwargs)
 
 
-@count_function
-def missense_snv_count(row, cohort, filter_fn, normalized_per_mb, **kwargs):
-    def missense_filter_fn(filterable_effect, **kwargs):
-        assert filter_fn is not None, "filter_fn should never be None, but it is."
-        return (type(filterable_effect.effect) == Substitution and
-                filter_fn(filterable_effect, **kwargs))
-    # This only loads one effect per variant.
-    patient_id = row["patient_id"]
-    return cohort.load_effects(
-        only_nonsynonymous=True,
-        patients=[cohort.patient_from_id(patient_id)],
-        filter_fn=missense_filter_fn,
-        **kwargs)
 
 @count_function
 def effect_count(row, cohort, filter_fn, normalized_per_mb, **kwargs):