Resolve "Merge doesn't delete already merged person from further evaluation"

            /*
             * For retracking to occur, every point in the path from the last
             * recognized point to this point should have been tracked with higher qual.
             * This should eliminate cases in which wrong points are tracked confidently
             * and replace better ones, under the assumption we only get to a wrong point
             * due to a low-quality tracking earlier.
             */
            bool applyReTrack = reTrack;
            //            if(reTrack)
            //            {
            //                int dir = (frame - prevFrame); // direction of tracking - forward/backwards
            //                dir /= std::abs(dir);          // theoretically possible to omit MAX_STEP_TRACK frames
            //                constexpr int minQualReco = 90;
            //                for(int j = 0; person.trackPointExist(frame + j * dir) &&
            //                               person.trackPointAt(frame + j * dir).qual() < minQualReco;
            //                    ++j)
            //                {
            //                    if(person.trackPointAt(frame + j * dir).qual() < reQual)
            //                    {
            //                        applyReTrack = false;
            //                        break;
            //                    }
            //                }
            //            }
            if(person.trackPointExist(frame) && !applyReTrack)
            {
                continue;
            }