[FEAT]: Remove the CoT field in the API request

[31415906]

What would you like to see?

Remove the <think> field from the context when making API requests to reduce input tokens and context size

[timothycarambat]

This is automatically handled by the chat template many engines use and is the case for all cloud providers, ollama, and LMstudio. There should be no action for us to take to pre-process the text before sending.

Example: ollama/ollama#10448 (comment)