message: Remove primary_handle from scan state
diff: @@ -42,8 +42,6 @@ struct ColumnScanState {
  ColumnSegment *current;
  //! The current row index of the scan
  idx_t row_index;
  - //! The primary buffer handle
  - unique_ptr<BufferHandle> primary_handle;
  //! Segment scan state
  unique_ptr<SegmentScanState> scan_state;
  //! Child states of the vector
  