fix(databricks/chat/transformation.py): remove reasoning_effort from request (#9811)

Fixes https://github.com/BerriAI/litellm/issues/9700#issuecomment-2784431995

litellm/llms/databricks/chat/transformation.py

@@ -240,6 +240,7 @@ class DatabricksConfig(DatabricksBase, OpenAILikeChatConfig, AnthropicConfig):
             optional_params["thinking"] = AnthropicConfig._map_reasoning_effort(
                 non_default_params.get("reasoning_effort")
             )
+            optional_params.pop("reasoning_effort", None)
         ## handle thinking tokens
         self.update_optional_params_with_thinking_tokens(
             non_default_params=non_default_params, optional_params=mapped_params

tests/llm_translation/base_llm_unit_tests.py

@@ -1272,3 +1272,5 @@ class BaseAnthropicChatTest(ABC):
             reasoning_effort="high",
         )
         assert optional_params["thinking"] == {"type": "enabled", "budget_tokens": 4096}
+
+        assert "reasoning_effort" not in optional_params