[Lint] Add python/sglang to ruff F401 checks and remove unused imports in files (#11685)

python/sglang/srt/layers/quantization/awq.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import logging
 import warnings
-from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional
+from typing import TYPE_CHECKING, Any, Dict, List, Optional
 
 import torch