qed: Remove unused qed_calc_*_ctx_validation functions

qed: Remove unused qed_calc_*_ctx_validation functions

qed_calc_session_ctx_validation() and qed_calc_task_ctx_validation()
were added as part of 2017's
commit da09091732ae ("qed*: Utilize FW 8.33.1.0")

but have remained unused.

Remove them.

This leaves; con_region_offsets[], task_region_offsets[],
cdu_crc8_table and qed_calc_cdu_validation_byte() unused.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250414005247.341243-3-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>