cleanup

Author: rhshadrach

pandas/_libs/lib.pyx

@@ -2081,10 +2081,6 @@ def is_datetime_naive_array(values: ndarray) -> bool:
         return False
 
     for j in range(n):
-        # Compare val's timezone with the reference timezone
-        # NaT can coexist with tz-aware datetimes, so skip if encountered
-        # val = values[j]
-        # if val is not NaT and val is not None and not util.is_nan(val):
         tz = getattr(values[j], "tzinfo", None)
         if tz is not None:
             return False