math: remove unused matrix_print & print_matrix_floats

Signed-off-by: António Monteiro <antonio.fmr.monteiro@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19428>
2 files changed