nixos-rebuild-ng: remove unnecessary "from __future__ import annotations"

pkgs/by-name/ni/nixos-rebuild-ng/src/nixos_rebuild/models.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import platform
 import re
 import subprocess

pkgs/by-name/ni/nixos-rebuild-ng/src/nixos_rebuild/process.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 import logging
 import os
 import subprocess

pkgs/by-name/ni/nixos-rebuild-ng/src/tests/helpers.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from types import ModuleType
 from typing import Any, Callable