fix: add logger import to llama.py for unknown weight skip warning

The previous commit added a warning log for skipping unknown weights
(e.g. embed_tokens.biases) but missed importing the logger.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

vllm-v0.6.2/vllm/model_executor/models/llama.py

@@ -26,6 +26,10 @@ import torch
 from torch import nn
 from transformers import LlamaConfig
 
+from vllm.logger import init_logger
+
+logger = init_logger(__name__)
+
 from vllm.attention import Attention, AttentionMetadata
 from vllm.compilation.decorators import support_torch_compile
 from vllm.config import CacheConfig, VllmConfig