Remove obsolete ground point segmentation point fields

Author: AndreasR30

include/continuous_clustering/clustering/continuous_clustering.hpp

@@ -130,9 +130,6 @@ struct Point
     uint8_t ground_point_label{0};
     float height_over_ground{std::nanf("")};
     uint8_t debug_ground_point_label{WHITE};
-    std::shared_ptr<int64_t> pointer_to_global_column_index_of_next_ground_point{};
-    int local_column_index_of_left_ground_neighbor{0};
-    int local_column_index_of_right_ground_neighbor{0};
 
     // clustering
     bool is_ignored{false};

src/clustering/continuous_clustering.cpp

@@ -1056,11 +1056,6 @@ void ContinuousClustering::clearColumns(int64_t from_global_column_index, int64_
             point.ground_point_label = GP_UNKNOWN;
             point.height_over_ground = std::nanf("");
             point.debug_ground_point_label = WHITE;
-            // can be cleared because we ensure that at least one rotation is still available when
-            // calculating the column range to clear
-            // point.pointer_to_global_column_index_of_next_ground_point.reset();
-            point.local_column_index_of_left_ground_neighbor = 0;
-            point.local_column_index_of_right_ground_neighbor = 0;
 
             // clear clustering
             point.is_ignored = false;