public double getSecondPhaseRankScoreDropLimit() {
        if (secondPhaseRankScoreDropLimit > -Double.MAX_VALUE) {
            return secondPhaseRankScoreDropLimit;
        }
        return uniquelyInherited(RankProfile::getSecondPhaseRankScoreDropLimit, c -> c > -Double.MAX_VALUE, "second-phase rank-score-drop-limit")
                .orElse(secondPhaseRankScoreDropLimit);
    }
Whether we should ignore the default rank features. Set to null to use inherited
config-model/src/main/java/com/yahoo/schema/RankProfile.java