Clean code in mistral.py

[Meeex2]

Fix Typos in Comments and Remove Redundant pass Statements

Summary

This PR focuses on small, non-functional changes to improve code readability and clarity without altering any functionality.

Changes

1. Fixed Typos in Comments:

   • Corrected spelling in comments (e.g., "Inferene" → "Inference").
   • Enhanced clarity of comments where necessary (e.g., "Clear inference" → "Clear inference-related cached attributes").

2. Removed Redundant pass Statements:

   • Removed unnecessary pass statements in conditional blocks to improve code cleanliness.