9856 remove superfluous check

netbox/netbox/graphql/filter_mixins.py

@@ -19,9 +19,6 @@ def map_strawberry_type(field):
     if isinstance(field, ContentTypeFilter):
         should_create_function = True
         attr_type = str | None
-    elif isinstance(field, MultiValueMACAddressFilter):
-        should_create_function = True
-        attr_type = List[str] | None
     elif isinstance(field, MultiValueArrayFilter):
         pass
     elif isinstance(field, MultiValueCharFilter):