Remove unused Params (#14385)

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Removes unused `Params` in `libs/langchain/langchain/llms/mlflow.py`.

Co-authored-by: Harrison Chase <[email protected]>

libs/community/langchain_community/llms/mlflow.py

@@ -5,18 +5,7 @@
 
 from langchain_core.callbacks import CallbackManagerForLLMRun
 from langchain_core.language_models import LLM
-from langchain_core.pydantic_v1 import BaseModel, Extra, Field, PrivateAttr
-
-
-# Ignoring type because below is valid pydantic code
-# Unexpected keyword argument "extra" for "__init_subclass__" of "object"
-class Params(BaseModel, extra=Extra.allow):  # type: ignore[call-arg]
-    """Parameters for MLflow"""
-
-    temperature: float = 0.0
-    n: int = 1
-    stop: Optional[List[str]] = None
-    max_tokens: Optional[int] = None
+from langchain_core.pydantic_v1 import Field, PrivateAttr
 
 
 class Mlflow(LLM):