bug(query_list): Fix superfluous typing

Author: tony

src/libvcs/_internal/query_list.py

@@ -434,8 +434,6 @@ class QueryList(list[T]):
     pk_key: Optional[str]
 
     def items(self) -> list[T]:
-        data: Sequence[T]
-
         if self.pk_key is None:
             raise Exception("items() require a pk_key exists")
         return [(getattr(item, self.pk_key), item) for item in self]