Documentation update.

PiperOrigin-RevId: 822228048

Author: ahalev

meridian/analysis/analyzer.py

@@ -4033,8 +4033,6 @@ def rhat_summary(self, bad_rhat_threshold: float = 1.2) -> pd.DataFrame:
     Returns:
       A DataFrame with the following columns:
 
-      *   `n_params`: The number of respective parameters in the model.
-      *   `avg_rhat`: The average R-hat value for the respective parameter.
       *   `n_params`: The number of respective parameters in the model.
       *   `avg_rhat`: The average R-hat value for the respective parameter.
       *   `max_rhat`: The maximum R-hat value for the respective parameter.