napoleon: Remove unused function

sphinx/ext/napoleon/docstring.py

@@ -1188,25 +1188,6 @@ class NumpyDocstring(GoogleDocstring):
             items.append((name, list(rest), role))
             del rest[:]
 
-        def search_inventory(inventory, name, hint=None):
-            roles = list(inventory.keys())
-            if hint is not None:
-                preferred = [
-                    role
-                    for role in roles
-                    if role.split(":", 1)[-1].startswith(hint)
-                ]
-                roles = preferred + [role for role in roles if role not in preferred]
-
-            for role in roles:
-                objects = inventory[role]
-                found = objects.get(name, None)
-                if found is not None:
-                    domain, role = role.split(":", 1)
-                    return role
-
-            return None
-
         def translate(func, description, role):
             translations = self._config.napoleon_type_aliases
             if role is not None or not translations: