Potential fix for pull request finding 'Unused import'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>

Author: ZX-ModelCloud

gptqmodel/models/definitions/ovis2_5.py

@@ -2,7 +2,6 @@
 # SPDX-FileCopyrightText: 2024-2025 qubitium@modelcloud.ai
 # SPDX-License-Identifier: Apache-2.0
 # Contact: qubitium@modelcloud.ai, x.com/qubitium
-from types import SimpleNamespace
 from typing import Dict, Optional
 
 import requests