access: Remove unused input parameters in ssa_pr_compute_pr_max_number

Access's data index doesn't improve performance because we have
to iterate over the GUID to LID table and perform look up.

Signed-off-by: Sasha Kotchubievsky <sashakot@mellanox.com>
Signed-off-by: Hal Rosenstock <hal@mellanox.com>