Remove legacy _combine_property

Author: AlexAndorra

pymc_extras/statespace/models/structural/core.py

@@ -740,17 +740,6 @@ def make_slice(name, x, o_x):
         return new_ssm
 
     def _combine_property(self, other, name, allow_duplicates=True):
-        self_prop = getattr(self, name)
-        if isinstance(self_prop, list) and allow_duplicates:
-            return self_prop + getattr(other, name)
-        elif isinstance(self_prop, list) and not allow_duplicates:
-            return self_prop + [x for x in getattr(other, name) if x not in self_prop]
-        elif isinstance(self_prop, dict):
-            new_prop = self_prop.copy()
-            new_prop.update(getattr(other, name))
-            return new_prop
-
-    def _combine_property_2(self, other, name, allow_duplicates=True):
         """
         Combine a property from two components during component addition.