Remove meaningless assertion

        const ProximityInfo *const proximityInfo, const int sampledInputSize,

        const std::vector<hash_map_compat<int, float> > *const charProbabilities,

        int *const codePointBuf) {

    ASSERT(charProbabilities->size() >= 0 && sampledInputSize >= 0);

    ASSERT(sampledInputSize >= 0);

    memset(codePointBuf, 0, sizeof(codePointBuf[0]) * MAX_WORD_LENGTH);

    static const float DEMOTION_LOG_PROBABILITY = 0.3f;

    int index = 0;