ci.eval.compare: keep warnings as warnings rather than raising them as errors

This reverts commit f8210561f3d3 (ci.eval.compare: turn warnings into errors, 2025-09-16).

It turns out that there are normal math warnings and we don't want to block CI on the math coming out wrong.

Changed files
-4
ci
eval
compare
-4
ci/eval/compare/cmp-stats.py
···
import numpy as np
import os
import pandas as pd
-
import warnings
from dataclasses import asdict, dataclass
from pathlib import Path
···
)
options = parser.parse_args()
-
-
# Turn warnings into errors
-
warnings.simplefilter("error")
before_stats = Path(options.before)
after_stats = Path(options.after)