MediaMetrics: Remove redundant heat map count variable am: 579f41f3

        std::stringstream ss;

        int32_t ll = lines;

        std::lock_guard l(mLock);

        auto it = mMap.begin();

        if (ll > 0) {

            ss << "Error Heat Map (rejected: " << mRejected << "):\n";

            --ll;

        }

        // TODO: restriction is implemented alphabetically not on priority.

        for (int32_t count = 0; it != mMap.end() && count < lines; ++count, ++it) {

        for (const auto& [name, data] : mMap) {

            if (ll <= 0) break;

            ss << it->first << ": " << it->second.dump() << "\n";

            ss << name << ": " << data.dump() << "\n";

            --ll;

        }

        return { ss.str(), lines - ll };