cc50e1ad4b
- Remove stale #[allow(dead_code)] and #[allow(too_many_lines)] attributes - Replace #[allow(dead_code)] with #[cfg(test)] for test-only methods - Delete unused fill_remaining_independent() and ParamMeta.dist field - Extract sample_float/int/categorical helpers from TpeSampler, MotpeSampler, and SamplingEngine to shorten match-heavy sample() methods - Extract try_fit_kdes() helper to consolidate repeated fallback blocks - Refactor sample_tpe_float/int to take &FloatDistribution/&IntDistribution instead of destructured args, removing #[allow(too_many_arguments)]