[Minor] Improve the function organization in TokenizerManager & improve loggers (#1208)

python/sglang/srt/hf_transformers_utils.py

@@ -142,17 +142,6 @@ def get_tokenizer(
             raise ValueError("Cannot use the fast tokenizer in slow tokenizer mode.")
         kwargs["use_fast"] = False
 
-    if (
-        "llama" in tokenizer_name.lower()
-        and kwargs.get("use_fast", True)
-        and tokenizer_name != _FAST_LLAMA_TOKENIZER
-    ):
-        warnings.warn(
-            "For some LLaMA V1 models, initializing the fast tokenizer may "
-            "take a long time. To reduce the initialization time, consider "
-            f"using '{_FAST_LLAMA_TOKENIZER}' instead of the original "
-            "tokenizer."
-        )
     try:
         tokenizer = AutoTokenizer.from_pretrained(
             tokenizer_name,