ices/98702.rs: fixed with no errors

=== stdout ===
=== stderr ===
warning: field `data` is never read
 --> /home/runner/work/glacier/glacier/ices/98702.rs:4:5
  |
3 | struct Node<T, const N : usize, const P : usize> {
  |        ---- field in this struct
4 |     data : [[T; N]; P]
  |     ^^^^
  |
  = note: `#[warn(dead_code)]` on by default

warning: 1 warning emitted

==============

Author: rustbot